OpenTechnical

OT-2026-000033108

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000033108) never changes.

Identity and time

Publication numberOT-2026-000033108 · never reused
Internal UUID01a0ae75-4844-7265-9b77-1ee2d7e82972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033108
StatusPUBLIC

Content hashes

Canonical textf009d29cbed5071cb56cb771408db746fd951b20529ff8077580074bb96fe79a
Markdowndbf4b809c8047d63b27875c4337d99b3f8f8c7be9334a5e003d0c85d4ed7f81a
PDF
Publication page09e21d33e8c56e02bd6cc5841574302358102e915d6088fd3996c29a46564b89
Manifest8bfcbb19bf6a889d1e23e88f799b2b5a854a8f3410ea24b73451b224a2f1f806

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
SignatureCqZhbvEjHXHJ4JVXDlNRe6HAETkwxHeIkRY1LPT8cdRSKp5f3Y3bjKj5p4C+Ryn4Rn3vFZ6hskhBv9y5BqnNDQ==
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

2026-09-17T11:32:45.710443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033108
observed 09e21d33e8c56e02bd6cc58415743023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.689790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033108/manifest.json
observed 8bfcbb19bf6a889d1e23e88f799b2b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.670989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033108/publication.md
observed dbf4b809c8047d63b27875c4337d99b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.653151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033108/publication.txt
observed f009d29cbed5071cb56cb771408db746...
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.