OpenTechnical

OT-2026-000088854

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000088854) never changes.

Identity and time

Publication numberOT-2026-000088854 · never reused
Internal UUID01a0ae9b-8f10-71f1-ba53-6a86fdcea6eb · 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-2026-000088854
StatusPUBLIC

Content hashes

Canonical text9b8d2fca48d00445f0916561f2a7972bc57ec34263a0b7ca30a03b2468935656
Markdown50c4c5e53b85a86f5197a654e0147c8cc932a16902983881677395af57849eb6
PDF
Publication page4dfeaedc948b2e92204c5a876c920348add3852d9ad6bbff71d88bc1a40784c1
Manifestcc8f214ee35c01674f1a49f63fb8fdcdd6bd2a4eb2ff8993564847af9a468d55

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
Signaturetm3QSEGNVJN29bETx1O+sWucVc3m6S/tfUXNJDqHLRpOeWas2ur+hKBtLwRTGkaZrUYziWqjoXv6wAUJZfOOAw==
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

2026-09-17T09:48:14.786688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088854
observed 4dfeaedc948b2e92204c5a876c920348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.768359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088854/manifest.json
observed cc8f214ee35c01674f1a49f63fb8fdcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.750033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088854/publication.md
observed 50c4c5e53b85a86f5197a654e0147c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.732584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088854/publication.txt
observed 9b8d2fca48d00445f0916561f2a7972b...
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.