OpenTechnical

OT-2026-000039454

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039454) never changes.

Identity and time

Publication numberOT-2026-000039454 · never reused
Internal UUID01a0ae78-9675-7ffe-91eb-6959db6547ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039454
StatusPUBLIC

Content hashes

Canonical textf85b7e43dd772547c0251ff0ef65388ce0e95be1e42a273da2053008030b78e2
Markdownf4b4490187035d7d504254d4f25773e23bb4312b0c0001c8f7a94d45a4221ddc
PDF
Publication pageb88004b15cc8060f7507efb2af6f7a6de12849134c305220856c0ce3b4c567a9
Manifestb25a8e54f0d765cd584b14acf2590cc3934b09c286a27893f787c3e7a6221064

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
SignatureSxoaEvHUgEnOEYyfVRYaMkelfH7/RWIy4UeYXcuGZ9jAcQaXT6gcKg9EbSt1nHzgKuTo4iPMG5kQLL//zyDBBQ==
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

2026-09-17T11:21:04.433703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039454
observed b88004b15cc8060f7507efb2af6f7a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.416578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039454/manifest.json
observed b25a8e54f0d765cd584b14acf2590cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.399381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039454/publication.md
observed f4b4490187035d7d504254d4f25773e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.381227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039454/publication.txt
observed f85b7e43dd772547c0251ff0ef65388c...
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.