OpenTechnical

OT-2026-000092250

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000092250) never changes.

Identity and time

Publication numberOT-2026-000092250 · never reused
Internal UUID01a0ae9d-875a-7d33-aea9-4230762686d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092250
StatusPUBLIC

Content hashes

Canonical text7145788a93ea6199fc94c6ef8b85cb7e8144d23e7f1cc26afde28f749ed7bf8f
Markdownd915522027948e5d59de9e675be4e1426cf8573cae6fc2c63f94e5b034f9af44
PDF
Publication page06ba5b7d529503ed034ec21894beb6f9b02dea5de274f57ee8a8ba877a514b3b
Manifestd839023bce8849cfeebbf11de21988479d3c2cc417d1e8f8a96a1f9110faa3ad

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
Signature91+Cz1lwbgMt95uz3nRJPOzFdMDdKCdGWX2n+S9yRSKsH9BjnNMb+hwI60KGHsDrO5LaVRthfqAM6AAwisGLDQ==
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

2026-09-17T09:41:46.499739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092250
observed 06ba5b7d529503ed034ec21894beb6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.482294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092250/manifest.json
observed d839023bce8849cfeebbf11de2198847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.464533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092250/publication.md
observed d915522027948e5d59de9e675be4e142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.445250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092250/publication.txt
observed 7145788a93ea6199fc94c6ef8b85cb7e...
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.