OpenTechnical

OT-2026-000008637

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000008637) never changes.

Identity and time

Publication numberOT-2026-000008637 · never reused
Internal UUID01a0ae6a-e46b-793a-9791-f0e0b63fba8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008637
StatusPUBLIC

Content hashes

Canonical text9e7bc42979bca5ee115cb10650e9f28f507f0e3ce386f0345f276f8363b4e4a2
Markdownb4678ec44f69cc2294e713b6fcf27797f614a49fcdb0da8adeeee594ab8799c0
PDF
Publication page62eb3fe9539bde8ba18317c226855e1ec0c95186c8f709f2b93e40ede27ebe0d
Manifestb2659a7ad1293b8435dd852bbbf8b15aa5bf877dea90fec60941eac97641f53e

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
SignatureHLlkWe4a37jtayg5SRv3EpEyHxhDtdUfpp8/MYcd+5saPOFfFsyk5Kk3QcVtU1RCaD9rN9vjI70bK1aSXdZYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:36.323706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008637
observed 62eb3fe9539bde8ba18317c226855e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.305569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008637/manifest.json
observed b2659a7ad1293b8435dd852bbbf8b15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.285790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008637/publication.md
observed b4678ec44f69cc2294e713b6fcf27797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.268277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008637/publication.txt
observed 9e7bc42979bca5ee115cb10650e9f28f...
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.