OpenTechnical

OT-2026-000057227

Publication integrity record

Two 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-2026-000057227) never changes.

Identity and time

Publication numberOT-2026-000057227 · never reused
Internal UUID01a0ae87-d5bb-7720-8f36-e0ad32a000e5 · 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-2026-000057227
StatusPUBLIC

Content hashes

Canonical textd48ee70d3754554bfa46aac425e2e0ff5d5dd9bec62fab4896bdb2b6fd58efc0
Markdown615c6a7f582e06a3b8e60458d899277545c68b06af257f3824aaa3efe568a989
PDF
Publication page026bdeece0b48f23c6e5ca35ce268dd9eef0c45a36eeb700038df21783d4501b
Manifest96053bf85e1cb87e3210ceb0c25dcc8ab73d2378b15cae07d5edb7cad6c1f496

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
Signature/HCIwQOzigZM/eQLXQN9a1T/e0td8Z12BEXJ121sjWB1yN3xV33DOe04c9+lSdJGpIcqiPO41kyrUDLah6T2Cw==
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

2026-09-17T10:50:17.027995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227
observed 026bdeece0b48f23c6e5ca35ce268dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.008410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227/manifest.json
observed 96053bf85e1cb87e3210ceb0c25dcc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.990395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227/publication.md
observed 615c6a7f582e06a3b8e60458d8992775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.971674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227/publication.txt
observed d48ee70d3754554bfa46aac425e2e0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.677606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227
observed 026bdeece0b48f23c6e5ca35ce268dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.660424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227/manifest.json
observed 96053bf85e1cb87e3210ceb0c25dcc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.642635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227/publication.md
observed 615c6a7f582e06a3b8e60458d8992775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.624208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057227/publication.txt
observed d48ee70d3754554bfa46aac425e2e0ff...
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.