OpenTechnical

OT-2026-000088963

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000088963) never changes.

Identity and time

Publication numberOT-2026-000088963 · never reused
Internal UUID01a0ae9b-8f11-782f-a701-236151151c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088963
StatusPUBLIC

Content hashes

Canonical textb0d0e9caef6dddeb4bcba889e30ce68d2ce81272dc72fea00afa4b49c0240083
Markdowna4c3116e3a40f75dab4b820f98a6fe911246db78190a00bf53ab46f6f01469e7
PDF
Publication page41ecb543d7e3aff356f8fd41f77cfb7b6804336bae6e1e0872765d1dbb98d1a8
Manifest09f61097119b601f691d4d78d6547000c485638790d8be56d8b507218b4eea6b

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
Signature75efHnbxPTh+9Wp13OfgM50Iwaa0dVZfn4td3OA/LobWsgiL8RvoFLOrNgZfzfuWu4CxB+Sp7Bpw36b8CzOlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:22.626540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088963
observed 41ecb543d7e3aff356f8fd41f77cfb7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.606947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088963/manifest.json
observed 09f61097119b601f691d4d78d6547000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.588677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088963/publication.md
observed a4c3116e3a40f75dab4b820f98a6fe91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.570227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088963/publication.txt
observed b0d0e9caef6dddeb4bcba889e30ce68d...
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.