OpenTechnical

OT-2026-000089227

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089227) never changes.

Identity and time

Publication numberOT-2026-000089227 · never reused
Internal UUID01a0ae9b-db00-760a-9019-26f16c130fcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089227
StatusPUBLIC

Content hashes

Canonical texte283b1648dc7ac626f440c74dcf8f14a7d9188440980e0f4f13dc3f069c3ecee
Markdown971dc22b353f2b7e1dddda8fbcf73c9d6e64de0a57f002dc56c33cc640dbf89d
PDF
Publication page7eb8327c42226a68a0633dadaf8f867dbaeed18da256d728f1b1a275462d6ff5
Manifest840e26d94f885afcc0e4ec9cb6b43ef47287f6d10343a61dc4bbe3db41f158b5

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
Signature9rF1FFAxbPRQ0iI6CFfP1894GRfhnYDSeSibA3cLkIfWtIbi44Gsu+ii3ePtxgeYFA5UrlRQDiQlM1A9g5PwAQ==
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

2026-09-17T09:47:15.175623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089227
observed 7eb8327c42226a68a0633dadaf8f867d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.157723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089227/manifest.json
observed 840e26d94f885afcc0e4ec9cb6b43ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.141676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089227/publication.md
observed 971dc22b353f2b7e1dddda8fbcf73c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.123331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089227/publication.txt
observed e283b1648dc7ac626f440c74dcf8f14a...
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.