OpenTechnical

OT-2026-000069672

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069672) never changes.

Identity and time

Publication numberOT-2026-000069672 · never reused
Internal UUID01a0ae90-b52c-7c8c-8749-f4ad7d93224c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069672
StatusPUBLIC

Content hashes

Canonical textf518cd7ff233ec959d5556b8ff9c85b064b43b1140bf53e579fb1405e14db5ba
Markdown34baafa29d52179b2f5fa8447fc2ccc578925149d4f0368825f2b51e6c921c01
PDF
Publication pagef2dfb64d06892537f4a67d4c3748c5c12d7485d512643555624e968123bad1c2
Manifest9a22f983c933372070bd77757eab235131cbfbf263564bb33611dd1b77f46cbb

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
SignaturePJMurAf4MPTvBpLHuTlbSsq1dcMihjtDCbje2fq8klsHesNImZggKGFB3bYykVNv2ikiSwPxPX2mZjEx48P7CA==
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

2026-09-17T10:28:20.728842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069672
observed f2dfb64d06892537f4a67d4c3748c5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.707840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069672/manifest.json
observed 9a22f983c933372070bd77757eab2351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.686968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069672/publication.md
observed 34baafa29d52179b2f5fa8447fc2ccc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.666860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069672/publication.txt
observed f518cd7ff233ec959d5556b8ff9c85b0...
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.