OpenTechnical

OT-2026-000074603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000074603) never changes.

Identity and time

Publication numberOT-2026-000074603 · never reused
Internal UUID01a0ae93-717b-7640-9f62-a497540c6974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074603
StatusPUBLIC

Content hashes

Canonical textec9c65b9a903fc75c96943e6d34f6149e28a566f74d5e3443db12d55f8a5605f
Markdownc2f920e33a03d7ac85f05a2f62e29d81234a24b30e428defe2d220e8f7664f5d
PDF
Publication page6e0eb0ec65d60d71c43d91aa964324420f4b8a6c22e59bd671ca7fccaa294b2b
Manifestea218318e3896a17167db457020a7a5b8191302fb92a423f14416a6995bc932a

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
Signature8cKhRS6KC1BME+1BqASAJWAZaoo+Mh2+JSvZ9b/wleBJtAkFOAPLFVZSjc+0ngPSR4cz5DocCl9hZ86dTyQ/BA==
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

2026-09-17T10:19:37.789114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074603
observed 6e0eb0ec65d60d71c43d91aa96432442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.771255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074603/manifest.json
observed ea218318e3896a17167db457020a7a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.752007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074603/publication.md
observed c2f920e33a03d7ac85f05a2f62e29d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.731796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074603/publication.txt
observed ec9c65b9a903fc75c96943e6d34f6149...
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.