OpenTechnical

OT-2026-000078312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000078312) never changes.

Identity and time

Publication numberOT-2026-000078312 · never reused
Internal UUID01a0ae95-7c27-7bbf-947f-a7040bd0dea8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078312
StatusPUBLIC

Content hashes

Canonical text58cf70b1ffaa5510206e1ff1631d8a752fc7ed5be998f7db0d75325b67e4a062
Markdown23e19ce7c44a7a66444099c133d5d2103a7bfc7eaa044331ff22f0badf8f9764
PDF
Publication pagef18c45d581a725a57e4e2c5b5677db23d51b37c0cb72c0bf40bbeb321c522485
Manifest07322f53b4fe4400989b47e31c75b8174c1d5c64ba423e61eb7519493b1f314f

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
SignaturepC7RmxyA8kjpcKy8wAgS0retObHcsh5UQuaJObAHdR7olryRWtkw9x7Stt5MS8XxPMrwe+2pRpDyBm7TN+gKAA==
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

2026-09-17T10:06:01.750605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078312
observed f18c45d581a725a57e4e2c5b5677db23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.733385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078312/manifest.json
observed 07322f53b4fe4400989b47e31c75b817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.714844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078312/publication.md
observed 23e19ce7c44a7a66444099c133d5d210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.695415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078312/publication.txt
observed 58cf70b1ffaa5510206e1ff1631d8a75...
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.