OpenTechnical

OT-2026-000085452

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off 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-2026-000085452) never changes.

Identity and time

Publication numberOT-2026-000085452 · never reused
Internal UUID01a0ae99-aaab-7421-8f14-4c89ad973ae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085452
StatusPUBLIC

Content hashes

Canonical texta7e224b054970f4f80ce484f7d201dab6081a57b8dd02ced45288ba9c62961c8
Markdown00ac2cd8e55d04a4bd31154187f05396836398b8de09010f8ce09cbd51e4185a
PDF
Publication pagea3c1be6022ba6f1aebdff44e5741a11b9d54b01b0672cdf0667d493f9bfac404
Manifest85edf8ddce2b06f16653a1c7e03aacfe5d57947f02b5ed100d8bad0e3dc349b6

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
SignaturegehslDfq9ZkQ14be4NRix8NkHe2FGFyaGjBpZrZZ91zZTm4PKAqFXX/eywfqAD/KU0GSAKyscIaPATOqBwTEBQ==
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

2026-09-17T09:54:14.498784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085452
observed a3c1be6022ba6f1aebdff44e5741a11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.480118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085452/manifest.json
observed 85edf8ddce2b06f16653a1c7e03aacfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.432841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085452/publication.md
observed 00ac2cd8e55d04a4bd31154187f05396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.381571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085452/publication.txt
observed a7e224b054970f4f80ce484f7d201dab...
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.