OpenTechnical

OT-2026-000029046

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000029046) never changes.

Identity and time

Publication numberOT-2026-000029046 · never reused
Internal UUID01a0ae73-2a9f-74e3-9aea-86c1d109ca1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029046
StatusPUBLIC

Content hashes

Canonical text81b6c4e06bf2586706700003ccf1293233b41c8930b61206c90ad0ff6dd63838
Markdownae54bf35a05e7a6e70803a471f0c53184d9063c48c1ad313e94a4ce4ba52be7c
PDF
Publication page8aec7ba382d412dbafd2a49cd7bd85e7bf3a6ffaf92131998ff5e6158d5c688b
Manifest739b53c37a94e724062ef64b3e5228fca6e3ae3e5ac3b2740438f1a13028a8eb

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
SignatureZQT0wI9ddb9+WmXOFYjVMDVBfr0vPLlUjkLYbmLeY+PQ+ORwIyz1ITqAKqjHIXVRghmYK2GiDKvUbYZJaZEyAQ==
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

2026-09-17T08:20:40.783617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029046
observed 8aec7ba382d412dbafd2a49cd7bd85e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:40.766843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029046/manifest.json
observed 739b53c37a94e724062ef64b3e5228fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:40.751023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029046/publication.md
observed ae54bf35a05e7a6e70803a471f0c5318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:40.733851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029046/publication.txt
observed 81b6c4e06bf2586706700003ccf12932...
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.