OpenTechnical

OT-2026-000054156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000054156) never changes.

Identity and time

Publication numberOT-2026-000054156 · never reused
Internal UUID01a0ae85-b3a8-7037-abf5-ca0adda19c50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054156
StatusPUBLIC

Content hashes

Canonical textb64f77b51a1f06d5dc6676671951c7eb45abffc96959dd8abe802ccd153ec54e
Markdown3721751c10a89207b98dc5bd26cd88626f3b2947af0809495b8f80ca44b4790e
PDF
Publication page22ba48869f6c43a5b378b8f33be26b487e967f978b5e27a6868f46c40433c34a
Manifestd58659b9c789fb0a0a8ad8a2c96f495913de02c3c8db30e1e4ad784f4085ee0f

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
SignaturevP2Kjcv0PpkwqGvSSrPuobvjGlJ4QDQlFbIGs2Hm9oVwI5te1CRjY2ah0ew53ondIkxebf8biWU+5bmIgI/KDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:31.453809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054156
observed 22ba48869f6c43a5b378b8f33be26b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:31.436686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054156/manifest.json
observed d58659b9c789fb0a0a8ad8a2c96f4959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:31.418647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054156/publication.md
observed 3721751c10a89207b98dc5bd26cd8862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:31.313455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054156/publication.txt
observed b64f77b51a1f06d5dc6676671951c7eb...
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.