OpenTechnical

OT-2026-000004798

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000004798) never changes.

Identity and time

Publication numberOT-2026-000004798 · never reused
Internal UUID01a0a923-ade8-727c-8e42-139efbc2baea · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:34:42.923037Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004798
StatusPUBLIC

Content hashes

Canonical textf9b1b44fec1fc45aafc11bf001a851ce3fbbf953222ae60dfe7c6193a5c89b4c
Markdownef672bd6fb3cfa9a9156957e38941d2b022385be12558738c1470ce91324f7c7
PDF
Publication page793115350414e001c4121220836173b77e6c2cf310eed26a9242bb61be3b49b3
Manifest896aa395ffd951967c18514791c9ed8676e69880fe753331b96a8c510e2ea77a

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
Signaturezun80cqmwQM9CWnUc+4rEEAC3fiheqX3NijSB2MPC/3NtL7157g8MEtqNi5mtN4mljXG9XJ+d2IM2vbLOV4LAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:17.919564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004798
observed 793115350414e001c4121220836173b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:17.906239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004798/manifest.json
observed 896aa395ffd951967c18514791c9ed86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:17.893074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004798/publication.md
observed ef672bd6fb3cfa9a9156957e38941d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:17.879971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004798/publication.txt
observed f9b1b44fec1fc45aafc11bf001a851ce...
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.