OpenTechnical

OT-2026-000052982

Publication integrity record

Foam pad vacuum gripper, pump fed, vented 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-2026-000052982) never changes.

Identity and time

Publication numberOT-2026-000052982 · never reused
Internal UUID01a0ae84-a430-765a-9ded-0bbcd5ef3834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052982
StatusPUBLIC

Content hashes

Canonical texte8fbfe6de744a4c43518b26abcd6f366264508d4defe340c82c9b2cb55b71b3a
Markdown53ab70dabf550e195d95e98e0a9850b94a722ab26ce6cf207371399c5a25ac9d
PDF
Publication page868e5c9503580a1ae75ba8ba4cd79189da54a83545d9ed5cdaf6fe17f40dee4d
Manifestc6fb852843f19d66ef4708f06e576277ff335e2980211ad57a2ee0e629f415d4

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
SignatureZypeTOTJUUj5cB2iNjYEyywB6T6JdD6rWixxAc/R9/8j+sQRaaYFJL/aE9FJ30LdwexHtexNIWAv8X6uMXhKCg==
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

2026-09-17T10:56:40.331479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052982
observed 868e5c9503580a1ae75ba8ba4cd79189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:40.310894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052982/manifest.json
observed c6fb852843f19d66ef4708f06e576277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:40.291834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052982/publication.md
observed 53ab70dabf550e195d95e98e0a9850b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:40.273248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052982/publication.txt
observed e8fbfe6de744a4c43518b26abcd6f366...
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.