OpenTechnical

OT-2026-000075044

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075044) never changes.

Identity and time

Publication numberOT-2026-000075044 · never reused
Internal UUID01a0ae93-ac2e-7aa2-a723-467e48fff728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075044
StatusPUBLIC

Content hashes

Canonical text9eb5163766c53fcc1e14f8165b9167617dc557a33a5b70728c8f40d718f74982
Markdown53c9807854e65499d6ad1c4ba34ae28632cdb4660f60ae841e8485c2ebdae6c4
PDF
Publication pageb4e59250896e0eb23e20e4dc0b44698e11651eda4b4ee9c1cb43f8e678afd3ee
Manifest09aa5deca081fb716cb1b9d797b04a6987ee932f4a409c5dd1a0028ea59e2011

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
SignatureEQMANBSj7nDrbLmlAg9KKjYUhssNxes3/JA2DNuKAxVWywRY8DsmThpLHSmAyROaDvifZU20KlDwJDQyBbuNAw==
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

2026-09-17T10:18:51.568745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075044
observed b4e59250896e0eb23e20e4dc0b44698e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.551314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075044/manifest.json
observed 09aa5deca081fb716cb1b9d797b04a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.532793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075044/publication.md
observed 53c9807854e65499d6ad1c4ba34ae286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.514333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075044/publication.txt
observed 9eb5163766c53fcc1e14f8165b916761...
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.