OpenTechnical

OT-2026-000089430

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000089430) never changes.

Identity and time

Publication numberOT-2026-000089430 · never reused
Internal UUID01a0ae9b-db02-7442-8226-11e24f9e70b1 · 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-2026-000089430
StatusPUBLIC

Content hashes

Canonical text8ec6b9e4f8c173090bc82066b98b3a51b90da98267074ad4c8fe73ca7e64fec8
Markdownbf5f0860e5fbe636c4545611fc529aaca900b5b397e57192bb049a1cdba31f9f
PDF
Publication page52b6ffadb280e482b847c9631dfa4464454f1740114e331ef3c5cac10d8d7319
Manifestc4be3fc02609c62e962c348e5a7ecf0d15317c993c0be4e11b9ee886ea48cb59

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
SignatureUhjdqcYihg3RgUjyPNr3jL3lFSTWTauIZiIZVoR9axMPcHsR2KJw6k5eJ+eUdWcnXJe3QrhvHDDncHAamJnhBA==
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

2026-09-17T09:47:34.501093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089430
observed 52b6ffadb280e482b847c9631dfa4464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.482308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089430/manifest.json
observed c4be3fc02609c62e962c348e5a7ecf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.465027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089430/publication.md
observed bf5f0860e5fbe636c4545611fc529aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.445492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089430/publication.txt
observed 8ec6b9e4f8c173090bc82066b98b3a51...
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.