OpenTechnical

OT-2026-000072553

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000072553) never changes.

Identity and time

Publication numberOT-2026-000072553 · never reused
Internal UUID01a0ae92-89d8-77eb-9c43-6a18c5a16f62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072553
StatusPUBLIC

Content hashes

Canonical text0e282bc671112dcbd5f8a1a9919a579cbf7844ddd4e96fec8dd4234aa4256061
Markdownda423e218af1f1d306f2dc84eb2507ca318ec4dd3210b37549fab0d64eb2436c
PDF
Publication page50aca0d7b816c9445cd861f1c847bb8e880a16e24a3f5673321b782a91ffbaf4
Manifestcb1faafd8b9a7d8b3d7b6ecab9232b1edb358fbedaab838912090d075e0ede03

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
SignatureXVGUZ8GIBcZgaQoo9TSSxPEuy7hG3hC64xeW2deO50jQzGXzxByjiF99he3WULRFISdNSl5i+779ihgKsJv6CQ==
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

2026-09-17T10:22:23.097194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072553
observed 50aca0d7b816c9445cd861f1c847bb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.077964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072553/manifest.json
observed cb1faafd8b9a7d8b3d7b6ecab9232b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.059880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072553/publication.md
observed da423e218af1f1d306f2dc84eb2507ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.041689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072553/publication.txt
observed 0e282bc671112dcbd5f8a1a9919a579c...
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.