OpenTechnical

OT-2026-000003523

Publication integrity record

Mechanical with 2 gripper fingers on a tool-change interface for job changeover

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-2026-000003523) never changes.

Identity and time

Publication numberOT-2026-000003523 · never reused
Internal UUID01a0a907-f798-7bdb-9f3b-321653fb5fa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:04:26.779646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003523
StatusPUBLIC

Content hashes

Canonical text9712e5b3143e1506761f5266d6628f20df5b701cb4eccfc1cadbc88dd2c37690
Markdown273514d01a93546e74c4ca34cd780ccc3f145ecd4a791f7c2ef74c62488dc6fc
PDF
Publication page2d9e62db160466d4e04326198930aea0cd57e9554c56d9e91e3815b7f97f5fb8
Manifesta055890e57aa6530f59b8b9b4cc6537467daaae09fcb5f98fa38a449a5d29459

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
Signaturen8hNm59ghnzYqT854BysFDY7M2US/iE6IROOh4y+W+03v1QZyvCNWW9idD7HxCuxImP2XoSg52+8ltnqJ9S1Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:07:02Z
batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof
root e9da7eb1c397f1749e5915c5a39dbbcf...

Independent retrieval

2026-09-16T08:50:35.743824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003523
observed 2d9e62db160466d4e04326198930aea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:35.728366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003523/manifest.json
observed a055890e57aa6530f59b8b9b4cc65374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:35.712166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003523/publication.md
observed 273514d01a93546e74c4ca34cd780ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:35.632826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003523/publication.txt
observed 9712e5b3143e1506761f5266d6628f20...
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.