OpenTechnical

OT-2026-000009848

Publication integrity record

Two finger pneumatic gripper, stripped after 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-2026-000009848) never changes.

Identity and time

Publication numberOT-2026-000009848 · never reused
Internal UUID01a0ae6b-cb78-7430-9d17-16262bc97de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009848
StatusPUBLIC

Content hashes

Canonical text9310a0f7f451f304d15c1375a7b514456d3d14032ca8f28372fb6ab7e1911b50
Markdown83e98b08f91cc5458d265187dd708ae14fefa9860f25ecb478cc701d21c77ba2
PDF
Publication pageac5ac554eab39a18980bcf913973e8cca5804c457e742ec33a7aa32f4d2ee930
Manifest3ba42ff05f18e27756756269bca5d31285c19045a4ec0eadcc18f367ae5bb5b0

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
Signature9MqKgg5E+4Fy1PfGwIRvEKLYQ7XN4bu6BhlvN20RTvS4kivGSB+TOppdL0Z7O56e55LhMW17JhOoRxwmUZ2/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:50.672307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009848
observed ac5ac554eab39a18980bcf913973e8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.654892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009848/manifest.json
observed 3ba42ff05f18e27756756269bca5d312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.636515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009848/publication.md
observed 83e98b08f91cc5458d265187dd708ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.617711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009848/publication.txt
observed 9310a0f7f451f304d15c1375a7b51445...
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.