OpenTechnical

OT-2026-000023635

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed 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-2026-000023635) never changes.

Identity and time

Publication numberOT-2026-000023635 · never reused
Internal UUID01a0ae70-aed3-72dc-9ba3-17b39c27d71c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023635
StatusPUBLIC

Content hashes

Canonical textdd53865491b0e4763e232891d0e6e975ebaa1fedd604880771ffabdd76318c28
Markdown21420d45ad52c3bf3ab447c9d37f69ff01d75919b9b09ebc0e190fa076c0e3c0
PDF
Publication page89c584d5775d7f418e34e7962e239a4eee1b1309268ea4303f8b8a1903d4a760
Manifest032aafe350e4de73b2757bc89e8bc1a12a23a3c8311938f64748af8868693b53

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
SignaturedaZhiKOx9SFYP0VhtXSzUECLJfcVUgQDpOSx453Hn27Y1eaoTDe746U0y84YnAEdP7ffJ5K4fyTM295/nh3xAQ==
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

2026-09-17T11:49:50.669121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023635
observed 89c584d5775d7f418e34e7962e239a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.651983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023635/manifest.json
observed 032aafe350e4de73b2757bc89e8bc1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.634430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023635/publication.md
observed 21420d45ad52c3bf3ab447c9d37f69ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.615806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023635/publication.txt
observed dd53865491b0e4763e232891d0e6e975...
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.