OpenTechnical

OT-2026-000014431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000014431) never changes.

Identity and time

Publication numberOT-2026-000014431 · never reused
Internal UUID01a0ae6d-b27a-72dd-a507-7c56037be517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014431
StatusPUBLIC

Content hashes

Canonical text216f00a4ee4b95a6e6e66371763613e0eb488118f3d1f3e36afc5f547c00cb63
Markdown455ec286d848e0f6fe5d2e0356fed02fcc640bc913d4da311745f82b1d3bb20b
PDF
Publication pagec6dfd0128f9ee3746689304d56f1361032f4e5b68d963f6b85f66dda0938d061
Manifest6e3d25bccf39cb9d59147b8387def87f19fc7a365312a18de576339acb17b1bd

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
Signature/czsvy+igKNH5JtuwexRkn4XeTLYqv/AaUjX58rvxQzfeXZN4lbvO1ulADKXi39zoRl2J47wAw3LXSGakFQ6CQ==
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

2026-09-17T12:10:12.103998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431
observed c6dfd0128f9ee3746689304d56f13610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.085582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431/manifest.json
observed 6e3d25bccf39cb9d59147b8387def87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.065608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431/publication.md
observed 455ec286d848e0f6fe5d2e0356fed02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.047347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431/publication.txt
observed 216f00a4ee4b95a6e6e66371763613e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.948014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431
observed c6dfd0128f9ee3746689304d56f13610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.929832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431/manifest.json
observed 6e3d25bccf39cb9d59147b8387def87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.910026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431/publication.md
observed 455ec286d848e0f6fe5d2e0356fed02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:17.888476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014431/publication.txt
observed 216f00a4ee4b95a6e6e66371763613e0...
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.