OpenTechnical

OT-2026-000055011

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000055011) never changes.

Identity and time

Publication numberOT-2026-000055011 · never reused
Internal UUID01a0ae86-5e80-7254-970e-b7ebbf2a6cd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055011
StatusPUBLIC

Content hashes

Canonical text8396e2a7beb095d30a10145d1719908249fd6ce831fa6f98b5a31d87f7089551
Markdown81330897f7c0158caf50f83a0295d23aaef6398d16f03c6d607405be9fbcc33b
PDF
Publication page785984ad308eabab2008d17f6ba46a8d5e73c9f0ee49978d3423917d9934b482
Manifest95bf3748eab7cead5ba8b1174888780cb9ff2a13976f3214922ab342ed9ff44f

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
SignaturetkUswt2RXqLUdhMKupzIrf/EU7IBrlbYjxlU5bjPHU89lnVUFuXd6J3EJOjjkR8MesAe17sYQYUsvSDg+ioiCg==
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

2026-09-17T10:53:08.637469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055011
observed 785984ad308eabab2008d17f6ba46a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.618624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055011/manifest.json
observed 95bf3748eab7cead5ba8b1174888780c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.601711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055011/publication.md
observed 81330897f7c0158caf50f83a0295d23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.583611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055011/publication.txt
observed 8396e2a7beb095d30a10145d17199082...
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.