OpenTechnical

OT-2026-000057731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000057731) never changes.

Identity and time

Publication numberOT-2026-000057731 · never reused
Internal UUID01a0ae88-2695-726e-bc15-f9cd693c182c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057731
StatusPUBLIC

Content hashes

Canonical texte7a61063509b00cce1c611be6e60c2fcfc11d9810d4d8b8b8ac1bc0b35db5fbf
Markdownd56c6f367645c7894d2154ff1fbae7aa5a2738df929bc490b09872675c09d7aa
PDF
Publication page55770c289f55bafe1e6589668d0c071df4f5dd90d934b78369302634d0dc8cc2
Manifestd2efff8deea4b31dadab9f23ea96b83412f4a9f58b9891783b52adbb42f14d3a

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
Signature8z9achTNcfqZF2i+VbsoYA4RCyWur8xMuKuiELSoy200rCFxmTD4Oa99v3d8jw2ZaJ7SeSt6cWcWf3LI9IjuAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:24.296885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057731
observed 55770c289f55bafe1e6589668d0c071d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.279638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057731/manifest.json
observed d2efff8deea4b31dadab9f23ea96b834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.261789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057731/publication.md
observed d56c6f367645c7894d2154ff1fbae7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.242545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057731/publication.txt
observed e7a61063509b00cce1c611be6e60c2fc...
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.