OpenTechnical

OT-2026-000089674

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000089674) never changes.

Identity and time

Publication numberOT-2026-000089674 · never reused
Internal UUID01a0ae9c-1a22-750f-ba2c-6d6c52c42f05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089674
StatusPUBLIC

Content hashes

Canonical text46d27741401cdbadf51cfa875b25ec8ac2bac38d4c887c687977d2b65d6dd773
Markdownec53ff5246a3635a5b51e8448b6e639f3a372207719f23df24bd5699d7e82a97
PDF
Publication pagee5138fc10e58f3ebb9b9b33cc79f450d29284710d6f49589c4bcc3508ec98e61
Manifestd9be56a1d74026ee3a9565b085d5bfa1177e4b8bd3b83dc1076d8ae1eb29a6dd

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
SignaturelINRqg0zdpPjPS1Yaq6tJWzvWKRhBc139cEbr4ZnIHMlU4kOuXvk3eaMewsp2WxJDVFM04+7fkQjWTz+v384Cw==
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

2026-09-17T09:46:40.233884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089674
observed e5138fc10e58f3ebb9b9b33cc79f450d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.217460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089674/manifest.json
observed d9be56a1d74026ee3a9565b085d5bfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.198621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089674/publication.md
observed ec53ff5246a3635a5b51e8448b6e639f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.178841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089674/publication.txt
observed 46d27741401cdbadf51cfa875b25ec8a...
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.