OpenTechnical

OT-2026-000070429

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070429) never changes.

Identity and time

Publication numberOT-2026-000070429 · never reused
Internal UUID01a0ae91-545f-7fe2-9cfc-a7c77d167e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070429
StatusPUBLIC

Content hashes

Canonical textf19be740716577ca4d6c6e455fb72b7b5eb5bd714e5ed918a8ce9892ca86ba10
Markdown454549819f3b84afda30928ea73d12107ee7ba999447f98301b3172506130c6e
PDF
Publication pagec5f7a5040e5ba8a916ece530cc1584275efc5e79c44ab7ebda6bb092c372a108
Manifest70a5a65c30948edce816ed9068a435dff354ddf7285a70265be213088defb96f

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
Signature30x3B4GNozGP71NvQdctFf+WpAcZzOLHLo02HfkRQLJDJmjihPZgyqh2xdjjBAZbC6UiEoUA2ZlHLrAc94ULCw==
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

2026-09-17T10:26:14.757501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070429
observed c5f7a5040e5ba8a916ece530cc158427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.739326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070429/manifest.json
observed 70a5a65c30948edce816ed9068a435df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.717125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070429/publication.md
observed 454549819f3b84afda30928ea73d1210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.697590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070429/publication.txt
observed f19be740716577ca4d6c6e455fb72b7b...
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.