OpenTechnical

OT-2026-000070424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000070424) never changes.

Identity and time

Publication numberOT-2026-000070424 · never reused
Internal UUID01a0ae91-545f-7b42-8a63-6f63e55e15cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070424
StatusPUBLIC

Content hashes

Canonical text2806cd1db02c46ccf774f1b12096c0ad2bf3f1b6ef9e0cc3f2784ea83aeb3c47
Markdown62a5863940408cdf08828bf289ace718966f67e7a1aaee19220137a310383644
PDF
Publication page27ef6bc0ad0c6a5f5068701ef40771940511269f61e36e729db732a322718771
Manifest1b628df500095bee7b45df8c6f92c0434c9bfddfeafbc7c7266e3995fc08d2a7

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
Signature/UhTiqsIRg6/oSTAyvTE8ZetFZ2hbrvGPZsSiXbQ+bFc1R09vSk6hRvjN9lqteqBp/tw/BkGVhVFCm132AJPCg==
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

2026-09-17T10:26:14.351913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070424
observed 27ef6bc0ad0c6a5f5068701ef4077194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.333937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070424/manifest.json
observed 1b628df500095bee7b45df8c6f92c043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.314791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070424/publication.md
observed 62a5863940408cdf08828bf289ace718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.294883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070424/publication.txt
observed 2806cd1db02c46ccf774f1b12096c0ad...
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.