OpenTechnical

OT-2026-000055339

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000055339) never changes.

Identity and time

Publication numberOT-2026-000055339 · never reused
Internal UUID01a0ae86-a100-71dc-be84-d868116fa607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055339
StatusPUBLIC

Content hashes

Canonical textc22e2e710c1ef2bf418032cc8c49fe0d7442e5f343eda5254792ac2e75273a8d
Markdownbe107d42aa519ce21a88d6f05926da56cdf6f479eb8c74b54aa5a54ff05377f6
PDF
Publication page6a65f1357b2243ddf5bfcf49b272d0c3522de724efac9f846dc6ba1bfb538716
Manifest071abd33262e486b30c1b17524b3bcd10fcf5a4ad2e1e3a4c01aad5a40028e1d

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
SignaturejMBkfOf9KInmSPksjKlkkeQSoArjwQWbJdWYY148zXrfiybpCLXLzrul7fd8hHMnQFsHY0lEHcfQx7+03ckyCw==
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

2026-09-17T10:51:57.716384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055339
observed 6a65f1357b2243ddf5bfcf49b272d0c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.697383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055339/manifest.json
observed 071abd33262e486b30c1b17524b3bcd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.679267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055339/publication.md
observed be107d42aa519ce21a88d6f05926da56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.661721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055339/publication.txt
observed c22e2e710c1ef2bf418032cc8c49fe0d...
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.