OpenTechnical

OT-2026-000091630

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091630) never changes.

Identity and time

Publication numberOT-2026-000091630 · never reused
Internal UUID01a0ae9d-43b8-7578-9384-e1845aa59a6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091630
StatusPUBLIC

Content hashes

Canonical textafc287ff41d0a3a4a7aa6404888a5e004d2d8d9c79807425bb06d151bf6a04e3
Markdown67715f8413c4d2f74b09023a42ab8d8e2d1a10fc183d9ffad4decd50013f437d
PDF
Publication page1a64c5aaf0d1eca388b61eb06e866bc72ea41288170c7d6f4937dea13cebe443
Manifest86e96b1fc98a270d5f92060e59de7b8096d40d85e98845976f5440380d742e40

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
Signatureqv6HUO60HStrTOcv6jN+D+6it/cEZeTjtroIFj7/SGkB7X61fImDIJ2MGlwkJ5lTm/zLMUgjLM+tq2qqNZ5EDQ==
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

2026-09-17T09:41:59.672676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091630
observed 1a64c5aaf0d1eca388b61eb06e866bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.654598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091630/manifest.json
observed 86e96b1fc98a270d5f92060e59de7b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.633842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091630/publication.md
observed 67715f8413c4d2f74b09023a42ab8d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.614305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091630/publication.txt
observed afc287ff41d0a3a4a7aa6404888a5e00...
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.