OpenTechnical

OT-2026-000008913

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, vented 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-2026-000008913) never changes.

Identity and time

Publication numberOT-2026-000008913 · never reused
Internal UUID01a0ae6b-31b7-728b-96c9-40c2a3cc7c97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008913
StatusPUBLIC

Content hashes

Canonical text62703e7b611d92d377a3a3adb59249f47ee1b876f9fedcce9e06224ec5c1964b
Markdown1dd34bcb3768dae6481f07a19fede8e76304b7f5e432ead109b313122279e4e8
PDF
Publication page85fed4898349bc67d72f388da3ec4d6f69a87d9ceb9e601a7b07fe00dcfb75fc
Manifest83459967934ba7b48b5ed9606eaffaf60d0e8016292cc4cb834706d1e36c17dc

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
Signaturem3B9birVcrDUDjRoTdQzeGBR21sTb36aA7n1N/x1SddFI87O4oCZ/eo6WHn0PEtMini/TVULWQdDPMhM2NOhAw==
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

2026-09-17T12:17:31.152036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008913
observed 85fed4898349bc67d72f388da3ec4d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.131984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008913/manifest.json
observed 83459967934ba7b48b5ed9606eaffaf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.114153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008913/publication.md
observed 1dd34bcb3768dae6481f07a19fede8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.093166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008913/publication.txt
observed 62703e7b611d92d377a3a3adb59249f4...
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.