OpenTechnical

OT-2026-000026973

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026973) never changes.

Identity and time

Publication numberOT-2026-000026973 · never reused
Internal UUID01a0ae72-3453-7da8-80ff-5b2b0742ea36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026973
StatusPUBLIC

Content hashes

Canonical textee54fbdc802aae2a334ef5d63c3f7b9bd38317baee8dc025f7e3d9a6dd91f6cd
Markdowne3173acaba1851c157034e63654681bfa1fb4bf48e39e3838505a9fec0de2482
PDF
Publication pageb31d096070c2610b1a51e34d8b8a6b8cd51cfeb61d92f9409eec15089534d999
Manifestf831ed174ef02939e0884e9731be661ab4dd00bfa26dfc16ef7f95a72dfeeb1a

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
SignatureX+bIbIwVwj6VFy5tW1l6CjXSP5Hz/bFZGGZvfNnZwp4jvnM1cavhWUDcNcwsmZ84pLW4RxdGGQbDma4Gx1+RAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:35.849632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026973
observed b31d096070c2610b1a51e34d8b8a6b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.834050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026973/manifest.json
observed f831ed174ef02939e0884e9731be661a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.818330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026973/publication.md
observed e3173acaba1851c157034e63654681bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.796597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026973/publication.txt
observed ee54fbdc802aae2a334ef5d63c3f7b9b...
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.