OpenTechnical

OT-2026-000081416

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000081416) never changes.

Identity and time

Publication numberOT-2026-000081416 · never reused
Internal UUID01a0ae96-f375-7a1d-bb7f-2f6e935f4327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081416
StatusPUBLIC

Content hashes

Canonical textdfde97d227afbe2908d46203b2cbdccddd8a163f3b163efafb329d7483fadb94
Markdownfbb00b118c944c58ba16e724558c76b1e52a512da50e81b6b66ce494107374b7
PDF
Publication pagefd4dc1c2db700fcd5324e809c2a1584b0fb8f0facc9c3d84bbaa229005f51360
Manifestf7e67922cc807ae3e4751a753431db039e6d7de4908743c3c923051bd2665685

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
SignatureyDv8Tx6wC0RaP3i23V37R2xew2Yn7KTt/k96M/TyL+ty62lroyW9skpig+VhAvBakpNis+pJWEOxoeWy6cbwCQ==
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

2026-09-17T10:01:34.055494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081416
observed fd4dc1c2db700fcd5324e809c2a1584b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.035655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081416/manifest.json
observed f7e67922cc807ae3e4751a753431db03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.014401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081416/publication.md
observed fbb00b118c944c58ba16e724558c76b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.994285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081416/publication.txt
observed dfde97d227afbe2908d46203b2cbdccd...
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.