OpenTechnical

OT-2026-000097442

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000097442) never changes.

Identity and time

Publication numberOT-2026-000097442 · never reused
Internal UUID01a0aea1-55b3-7d9f-8b58-f0f16abc2e33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097442
StatusPUBLIC

Content hashes

Canonical text2c50890fd618f5647423684b2fe6a1664ed5d13a9e9f2cd1574e7d55ad937d98
Markdown7bd9f2531334bef24a88f039aca526650474545547ef55433bf03ed2232d4bcb
PDF
Publication page928619b4cb4a3f7611bd975866806213f2b4670c88dcf90f593ffbf272f82893
Manifest001e9691b08e118602d9e1b311725ec16631374293e9233c4eafc081cc4111a9

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
SignatureSmu2kSRk2Tbr/+EDxUxzYLgqKYgODSrhPo8bY/H0dkQ/VISPIIffWis4aeVRntrPzrvextRPsJcrCfCxUTmyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:18.139273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097442
observed 928619b4cb4a3f7611bd975866806213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.121758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097442/manifest.json
observed 001e9691b08e118602d9e1b311725ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.105239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097442/publication.md
observed 7bd9f2531334bef24a88f039aca52665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.088161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097442/publication.txt
observed 2c50890fd618f5647423684b2fe6a166...
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.