OpenTechnical

OT-2026-000085443

Publication integrity record

Foam pad 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-2026-000085443) never changes.

Identity and time

Publication numberOT-2026-000085443 · never reused
Internal UUID01a0ae99-aaab-7ee0-ad59-a16961da2244 · 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-2026-000085443
StatusPUBLIC

Content hashes

Canonical text1a2b08bc0f3d679931436af1807bc4be7f83b285f3820838ef9dce06ec0bd5a7
Markdownf0de8fbfb8b22fc283350d6f84513693fc62069d10e6b171293a3100f194f9d6
PDF
Publication pagea5403cdbfacf10389c0336a992dee3fcd32c79a902b16ae43ce679e5275f376e
Manifest749c90532d0268bd71c34cf78ab97e454f2177132073aba920f376097c3b4cc7

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
SignatureiSn55ZOmhStuT1oPYcdfEIHmgCTt4RlMjcApjDfhN17aE1vg9i9MAuWYt0lboVqJF1QwieUbmDpOjaLlXp/MAQ==
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

2026-09-17T09:54:13.692403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085443
observed a5403cdbfacf10389c0336a992dee3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.677419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085443/manifest.json
observed 749c90532d0268bd71c34cf78ab97e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.659481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085443/publication.md
observed f0de8fbfb8b22fc283350d6f84513693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.641740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085443/publication.txt
observed 1a2b08bc0f3d679931436af1807bc4be...
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.