OpenTechnical

OT-2026-000076448

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000076448) never changes.

Identity and time

Publication numberOT-2026-000076448 · never reused
Internal UUID01a0ae94-6a71-7d1e-ad02-28be5c8b02d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076448
StatusPUBLIC

Content hashes

Canonical textcaf7451cadeb98b955414cca4d6b84b1e8858c2afc7506ce51d9e199114dccb7
Markdown97797f020f3761fec6b8f3cf93afc0360c1f73f214b70b5f5f0f5060d9889408
PDF
Publication pagebd83cecd25a5ea0260016c7dfdd9435c1b95695e834b01cf157282addfffa4aa
Manifest2604584c9bb6032327df82d2709b0726fa4ac57e582ba23b1e5ab15eba22c69a

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
SignatureCO+VuKD0TwD2NbxRPSri3NRXILaqmWcC7kBeObV8I1ALff+mAWh9BtXzpukXS9bUHST6fuxlEm9unzJORgW3CQ==
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

2026-09-17T10:12:33.764294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076448
observed bd83cecd25a5ea0260016c7dfdd9435c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.743267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076448/manifest.json
observed 2604584c9bb6032327df82d2709b0726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.723551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076448/publication.md
observed 97797f020f3761fec6b8f3cf93afc036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:33.701752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076448/publication.txt
observed caf7451cadeb98b955414cca4d6b84b1...
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.