OpenTechnical

OT-2026-000076192

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000076192) never changes.

Identity and time

Publication numberOT-2026-000076192 · never reused
Internal UUID01a0ae94-6a6f-7976-947b-e4e57c4071d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076192
StatusPUBLIC

Content hashes

Canonical text656e1ba0101ae8cb2a56302d0108cdcd9201a69a786b166c5b23f9d4601b4d8c
Markdown37cae89eeea4a7f670ceb9225b9b42625d11a0e66763df6c14a0c2d22ae22357
PDF
Publication page1d69e5f1e462548a1bc2238e5275728462593093cdf3263b429f0310c2097b4a
Manifest688c1b8f1e6303e6c305bbf058d288c798c958233abda063d9d2119eea0504de

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
SignaturewMitw/L2sFCV7w0oNubZSCpQ7d4rncyBPWMcFQFNHkvUnI5/aahI4fUjMN44kQn6kxImI9UwdAY59CD2w4RWAQ==
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

2026-09-17T10:11:30.961997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076192
observed 1d69e5f1e462548a1bc2238e52757284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.942695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076192/manifest.json
observed 688c1b8f1e6303e6c305bbf058d288c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.804537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076192/publication.md
observed 37cae89eeea4a7f670ceb9225b9b4262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.784932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076192/publication.txt
observed 656e1ba0101ae8cb2a56302d0108cdcd...
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.