OpenTechnical

OT-2026-000041269

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041269) never changes.

Identity and time

Publication numberOT-2026-000041269 · never reused
Internal UUID01a0ae79-b143-7f66-b2e5-7cedbec8d214 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041269
StatusPUBLIC

Content hashes

Canonical text08df8011327cf8169bc07cc36b4c2a6300cda1215743a73c236951cc831cd0ca
Markdownb1bd396530a3acdb84b70bd1f9a7c9779f8525cfd4862cf5a47dd26532509402
PDF
Publication page10097b391f1fdc738f090fb34f77cf32f3e00a560fa3bc635bd4890acab5c004
Manifestb4049043cb246559460cb29e2ba71645ce0f1cbb374dc06dde4f60374ccfa011

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
Signature2Rt3zRK2dp4b/2rD/QAN0hsKWVq/qVvaFSkfQDzPuPN7R6HLezixnKRzf4cUT1DyUqnnaCpFY4/QgneOVixlDQ==
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

2026-09-17T11:17:14.631113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041269
observed 10097b391f1fdc738f090fb34f77cf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.612854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041269/manifest.json
observed b4049043cb246559460cb29e2ba71645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.593023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041269/publication.md
observed b1bd396530a3acdb84b70bd1f9a7c977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.577279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041269/publication.txt
observed 08df8011327cf8169bc07cc36b4c2a63...
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.