OpenTechnical

OT-2026-000027121

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000027121) never changes.

Identity and time

Publication numberOT-2026-000027121 · never reused
Internal UUID01a0ae72-3454-7484-8cb6-bd57938b3d8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027121
StatusPUBLIC

Content hashes

Canonical text143ae4342560662eb676c8e7cf7c2e7e0377a08b0b3112563f4cf7bd08a351ec
Markdown76c5da5d56af2448988264c1fe20f034a0dbe363ef3c547748aa73b812ae0c06
PDF
Publication paged44cb74a38b459010d708c560de099578f6373a5a6534ed1289a4770968a3fcc
Manifest832efa160a3f8d1f75a8f00d3589a1ab86d2c718ce893168bc8bbb13f341491c

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
Signaturegpyb48BAFaFPxuWZxA+Wfo9iOmurLi5sctQNb20FPg7YJJvyWDTZiXL/NYCW2vjc9oBqNwNjAKzdkCYebK4BBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:53.670912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027121
observed d44cb74a38b459010d708c560de09957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.654282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027121/manifest.json
observed 832efa160a3f8d1f75a8f00d3589a1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.637575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027121/publication.md
observed 76c5da5d56af2448988264c1fe20f034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.617012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027121/publication.txt
observed 143ae4342560662eb676c8e7cf7c2e7e...
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.