OpenTechnical

OT-2026-000054138

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000054138) never changes.

Identity and time

Publication numberOT-2026-000054138 · never reused
Internal UUID01a0ae85-b3a8-73ba-bac2-a52f0633273a · 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-2026-000054138
StatusPUBLIC

Content hashes

Canonical text5ebeb3c92109cd8da86aa7e546aa66af1220115e82175ac4dfed25866be6626a
Markdown2601c8ef9b93d313b2d232c5ba923bf91e083545613527ecc7dda31a52a3086c
PDF
Publication paged0ec750762e922684324af21996026b3512787ea661932591fa53b75626c4299
Manifest246fefcb484068a06f389cca61070aa5eb64532f6d207536dad38a570fc44c57

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
SignatureZakzlUodPQD84yK7gTQDqqQFCkYl0ZDhSZ8SS/+qPaqF0ViHamZUwaBVoNLwDSNWjGf8dSENn9BKRlWtSGBQDQ==
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

2026-09-17T10:54:34.149509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054138
observed d0ec750762e922684324af21996026b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.131575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054138/manifest.json
observed 246fefcb484068a06f389cca61070aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.113965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054138/publication.md
observed 2601c8ef9b93d313b2d232c5ba923bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.097032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054138/publication.txt
observed 5ebeb3c92109cd8da86aa7e546aa66af...
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.