OpenTechnical

OT-2026-000037761

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000037761) never changes.

Identity and time

Publication numberOT-2026-000037761 · never reused
Internal UUID01a0ae77-f889-7f0f-9e03-772b22d0f89e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037761
StatusPUBLIC

Content hashes

Canonical textc77a54f40ab35109c9f142a9eab4e5ac889dbb84b13b13c7e2eb75b3808e94bd
Markdownbd02253f50ec4064febe66ee2b54421e31ffbb06813114282a129577fbe4a170
PDF
Publication pagece0b5ca42f9a030cdd54fa6e47889becd0a4dc1b4af0b9788bb5339b6387fd3f
Manifest4899d37ec860da08c8edbb4b26d0013a4e4abef20f7ba45bd7bce83991beaa32

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
SignatureKwVFe+jx+XO2KO83RlT2Gdv7Jyp1I/SC24tyxXgKHVlsOXz8tJE4+wbxmlpfxG++Xi1m/p8+LCoG84Z0ppDHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:59.342825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037761
observed ce0b5ca42f9a030cdd54fa6e47889bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:59.324327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037761/manifest.json
observed 4899d37ec860da08c8edbb4b26d0013a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:59.308100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037761/publication.md
observed bd02253f50ec4064febe66ee2b54421e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:59.292372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037761/publication.txt
observed c77a54f40ab35109c9f142a9eab4e5ac...
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.