OpenTechnical

OT-2026-000057187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057187) never changes.

Identity and time

Publication numberOT-2026-000057187 · never reused
Internal UUID01a0ae87-d5ba-7691-b6a2-016ed41536b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057187
StatusPUBLIC

Content hashes

Canonical textc72f0fa223afd80c0d232c54c5475b8d1040f5d3ed00abbd501976485ebb3739
Markdown52226506e5cead8ab526c7ed96c8df2de3f517edf1de15722195902bf076414c
PDF
Publication page2d8569af553c053cee487884f6aac36981484248b2278e962fca55b4ff05ef91
Manifest61b4974ecad7f2e9ea6cad6c84f753ed19d7d9ca0d0c7796a527e6f76810cd04

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePIqp0SQ/zPTg4Z4BxxvEVD0DfvjwJ4AA4ubDEY9wf64YYiHQFqU6nQG9PQm9x6+UK56AUbVw1hz/nmjbOA90Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:12.378391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187
observed 2d8569af553c053cee487884f6aac369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.355309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187/manifest.json
observed 61b4974ecad7f2e9ea6cad6c84f753ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.335594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187/publication.md
observed 52226506e5cead8ab526c7ed96c8df2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.316697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187/publication.txt
observed c72f0fa223afd80c0d232c54c5475b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.742734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187
observed 2d8569af553c053cee487884f6aac369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.724130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187/manifest.json
observed 61b4974ecad7f2e9ea6cad6c84f753ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.706922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187/publication.md
observed 52226506e5cead8ab526c7ed96c8df2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.689834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057187/publication.txt
observed c72f0fa223afd80c0d232c54c5475b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.