OpenTechnical

OT-2026-000029931

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000029931) never changes.

Identity and time

Publication numberOT-2026-000029931 · never reused
Internal UUID01a0ae73-ac48-7f2a-b6d6-10aabc931b8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029931
StatusPUBLIC

Content hashes

Canonical text96077f1b11e47d7ee3debec19fbf0ff13b61bc1667a0ab90d4b203b4922ff4a0
Markdown3650de379cfd4252ec62466684ce7872bc6f5f0108a650601b762099021ee425
PDF
Publication page3fd5fc7a1f24ec0962900cd806034b7881916456056c5918005d6775711e942b
Manifesta792b280f905d309ad2620cd9ae95971970d7262bfe7c6054faf7ecec9340f53

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
SignatureiBcPEuuBxe/Sbn4zoRjYpOisQ8HuAcJ4ZEq/fMBb4kWGhKnPXCuh1qX6t4VjS916HhFsGDLUNnHfusTXtMJOCg==
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

2026-09-17T11:38:38.469789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029931
observed 3fd5fc7a1f24ec0962900cd806034b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.451369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029931/manifest.json
observed a792b280f905d309ad2620cd9ae95971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.433985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029931/publication.md
observed 3650de379cfd4252ec62466684ce7872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.417761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029931/publication.txt
observed 96077f1b11e47d7ee3debec19fbf0ff1...
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.