OpenTechnical

OT-2026-000103299

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off 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-2026-000103299) never changes.

Identity and time

Publication numberOT-2026-000103299 · never reused
Internal UUID01a0aea4-be3f-7f18-acc0-7fcd18560285 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103299
StatusPUBLIC

Content hashes

Canonical texte0e1297294948ef7f3b34ff2f2b7e885c3ab564b0054ec122e3789ed42e68aea
Markdownf5fcc382490e952c87b17614066310079c1e7a6b5d37060c6f2ecc05dbc744f3
PDF
Publication page8edca69e7aa0da27a3086110e33177ff1c2334adaabe13bf83db1910d7acc78c
Manifest49e44d616c3ab64bb8e07e661671485cb283596aba1ec2e61c6ad30049f4980f

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
Signature4q2bB9EAjumBMEYl58GOi3sL07wV6zieXptLuFRcIOwjgoNtf5nX2l2oKbPcpKkhTgYXtkvvS5Fo7xcSeeSjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:32.715412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103299
observed 8edca69e7aa0da27a3086110e33177ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.698992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103299/manifest.json
observed 49e44d616c3ab64bb8e07e661671485c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.680813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103299/publication.md
observed f5fcc382490e952c87b1761406631007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:32.663962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103299/publication.txt
observed e0e1297294948ef7f3b34ff2f2b7e885...
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.