OpenTechnical

OT-2026-000053563

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000053563) never changes.

Identity and time

Publication numberOT-2026-000053563 · never reused
Internal UUID01a0ae85-0a93-75aa-97a4-0ff00c656a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053563
StatusPUBLIC

Content hashes

Canonical text16ab57641f54e408e8f494aaf7626e0ee6e16b46f8eda5278b5221dee3a27dee
Markdownd33adf9513ee9a232c7a720db484924bccaa84a039540c6e8563b243a223368b
PDF
Publication page3bcd938042d778f938fc1fb374e01c0d2c7e293a27b16c9fa34aca01ebef7304
Manifest03e92ab8aea8f432f753e67e6cf63fcec3e868057453fb73e9dc726b10161a6f

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
SignatureQ5pBBNa6RRdn5i9N+4XnFFP9RVD38H2R9twUQB5ePMDmJsvY0RcjpN/S1g1rHeS6wFIdAfR30+IbM1w65zlrDw==
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

2026-09-17T10:55:25.468667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053563
observed 3bcd938042d778f938fc1fb374e01c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.452292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053563/manifest.json
observed 03e92ab8aea8f432f753e67e6cf63fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.432687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053563/publication.md
observed d33adf9513ee9a232c7a720db484924b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:25.414163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053563/publication.txt
observed 16ab57641f54e408e8f494aaf7626e0e...
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.