OpenTechnical

OT-2026-000056150

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000056150) never changes.

Identity and time

Publication numberOT-2026-000056150 · never reused
Internal UUID01a0ae87-0a4b-72aa-a5f5-f6c22ce4668f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056150
StatusPUBLIC

Content hashes

Canonical text8b7f517bd31c2f2dfbbbfd02dacb1b198286d9364a7aefb1b98c98f7be55cfbd
Markdown9180f9dbf00838e3d0deb493614c41c1ab85ecd04b4f41172e041ab475aaa044
PDF
Publication page6159989363a264d9ee4af40120c6d49b40d5af9b83bdaed95c4cb2afc9e38aea
Manifestcaf8a13c0a31f2072439f8ef731110251b6397b16d1f0f9cd6540d7f20fa577e

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
Signature0M/cpWTUCYwb18/3Rk6CRxoFdkTwKVZWisIj4fTVI551UNmH9BVF6D1IPW/5xdcX7B8lwHF0HCSFnyHy+syIAA==
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

2026-09-17T10:51:42.286047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056150
observed 6159989363a264d9ee4af40120c6d49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.267671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056150/manifest.json
observed caf8a13c0a31f2072439f8ef73111025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.249004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056150/publication.md
observed 9180f9dbf00838e3d0deb493614c41c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:42.230976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056150/publication.txt
observed 8b7f517bd31c2f2dfbbbfd02dacb1b19...
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.