OpenTechnical

OT-2026-000042535

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000042535) never changes.

Identity and time

Publication numberOT-2026-000042535 · never reused
Internal UUID01a0ae7a-c0cd-7b66-8249-ef68186ff97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042535
StatusPUBLIC

Content hashes

Canonical text7bc15ea6af859fd857e94d92ee397f6f4c19f1f39cc495833083341405f3f2e2
Markdown959b68700b3dd8324c369246e5e94d4ae6ae53fdbfd9901b21e2bc1b44bde3b9
PDF
Publication page36b44878b70749bd8e2b2da219fc9515851beaa36e76f6908ee9612ea8b08d7e
Manifestf6d12f371f91a07fe123b67d4b9ed8c3ec896891f33133de8dfbcc69724b83ea

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
SignatureYiNV9TBMBRqiwWg68nQ/SjLPo3Cxx/24l0EQ114Y5LBh5X7gQH9F/5w+/l11HectipDxmpTQRO99aH9t3qX2Dg==
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

2026-09-17T11:14:14.092845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042535
observed 36b44878b70749bd8e2b2da219fc9515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:14.072027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042535/manifest.json
observed f6d12f371f91a07fe123b67d4b9ed8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:14.048587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042535/publication.md
observed 959b68700b3dd8324c369246e5e94d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:14.024764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042535/publication.txt
observed 7bc15ea6af859fd857e94d92ee397f6f...
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.