OpenTechnical

OT-2026-000099281

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000099281) never changes.

Identity and time

Publication numberOT-2026-000099281 · never reused
Internal UUID01a0aea2-8289-7930-ae09-a8dc0c5af135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099281
StatusPUBLIC

Content hashes

Canonical textd94138c58a21b50214c6b4402f2ca82bc72b10c6f875bfc5cad821441f5d7819
Markdown69734f2ef30c8dc0002bc1ae57057879acfec7ececc8ec52de5a5819ed5ed895
PDF
Publication page01daf57a5bd32ebd5b7c218da81e01b6aa5b1bc663f7f5535583720893d2779f
Manifestf1dda5212bd41073211516dbc91a0547bec77990a17fc21d46adf571e31b0ede

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
Signature0Ps5QOs/CSPPhkS85RC6789seLNVg6JxshVsIDL9sRx/QgM2j4divM/hxAbbru+uVRiMqXXxibXOhY6TYU9gBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:44.368257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099281
observed 01daf57a5bd32ebd5b7c218da81e01b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.350273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099281/manifest.json
observed f1dda5212bd41073211516dbc91a0547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.331868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099281/publication.md
observed 69734f2ef30c8dc0002bc1ae57057879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.314893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099281/publication.txt
observed d94138c58a21b50214c6b4402f2ca82b...
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.