OpenTechnical

OT-2026-000069099

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069099) never changes.

Identity and time

Publication numberOT-2026-000069099 · never reused
Internal UUID01a0ae90-6dce-7bfb-9ac9-03eb64123fef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069099
StatusPUBLIC

Content hashes

Canonical texted44ef0ad4a5fc7914eb502d79b73f2a7bcea75870ccb20b328963227f4e5f8b
Markdown79ff05f875b4bfee8405ec9eb8b2df20b88525c2c89051aed56872c25e90178b
PDF
Publication page83e46cee814aa5b7d7f5420b9bb4fa69af34a62cbcf984c60d8fd1b69f19d6ba
Manifest57f98de7824eca632656fb1fcfa0360ae0368951f3e88c1205985720ac108e40

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
Signature9vN6bTX3BxkEk9FiFHVhecKFgQnAgTMjoCNAZemrBcxCQDPQaMQL1bYs7qctZpbpCFN3ddd7gMjPn0Yi1N6DDA==
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

2026-09-17T10:28:58.431103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069099
observed 83e46cee814aa5b7d7f5420b9bb4fa69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.413132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069099/manifest.json
observed 57f98de7824eca632656fb1fcfa0360a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.394778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069099/publication.md
observed 79ff05f875b4bfee8405ec9eb8b2df20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.374724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069099/publication.txt
observed ed44ef0ad4a5fc7914eb502d79b73f2a...
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.