OpenTechnical

OT-2026-000039501

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039501) never changes.

Identity and time

Publication numberOT-2026-000039501 · never reused
Internal UUID01a0ae78-d8d2-72f2-a8c5-4a4c3a33de56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039501
StatusPUBLIC

Content hashes

Canonical textff1b3bc221c4f1b006c1eefe148dbae47e67f065272ae68a9a81d4b3185cd800
Markdown71e3a70234ff0cb86d41b1511bb759b4900c1a5088144e4846caab8d2739238e
PDF
Publication page882e147291668ae48525b0314dcef149148a58e1b94b0f978dea5518375dcbac
Manifestc8de342bd08c551db02ac8c10d895da6632040e9d67d6a058d7d8233fe3eaa09

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
SignaturescHjoI83d9clbSoNrMsUs1OPqVWZN/JEwbkmTHtDe61JR7V3k9SYOSBrRJPil185VkcTCQg7/fXp55cHjGiNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:38.115965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039501
observed 882e147291668ae48525b0314dcef149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.097077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039501/manifest.json
observed c8de342bd08c551db02ac8c10d895da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.076914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039501/publication.md
observed 71e3a70234ff0cb86d41b1511bb759b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:38.056679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039501/publication.txt
observed ff1b3bc221c4f1b006c1eefe148dbae4...
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.