OpenTechnical

OT-2026-000077456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000077456) never changes.

Identity and time

Publication numberOT-2026-000077456 · never reused
Internal UUID01a0ae94-f509-7995-b2db-9837b5633034 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077456
StatusPUBLIC

Content hashes

Canonical text0114e04dd2efdb0a95e7d8f29dc474f5ba5608548a445b21102578b90388d610
Markdownfb2992c756df493cf6b5af6a67bbb339b17f2a33b89f44c04fd559ea1519f59a
PDF
Publication page8fec7167f22c822d2f4c0ad8e1760b9f03ee7dc5218ef7ecee772c2ead1ed736
Manifest5cf121a0f8dfc92238f37f281b86d7856f315d3b2ffb102f0819344663eef306

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
SignatureYAn8WlBm8L2PM1rKnntKAvBy00mldRu8SmoQamuQRe9IWXgl56HIAyektL2r7DkbE+hfvRGIbTfmGxQnSbRMBQ==
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

2026-09-17T10:09:08.552307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077456
observed 8fec7167f22c822d2f4c0ad8e1760b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.532183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077456/manifest.json
observed 5cf121a0f8dfc92238f37f281b86d785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.511305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077456/publication.md
observed fb2992c756df493cf6b5af6a67bbb339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.471418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077456/publication.txt
observed 0114e04dd2efdb0a95e7d8f29dc474f5...
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.