OpenTechnical

OT-2026-000042348

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000042348) never changes.

Identity and time

Publication numberOT-2026-000042348 · never reused
Internal UUID01a0ae7a-5d74-79ed-a5b1-8748a635a6fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042348
StatusPUBLIC

Content hashes

Canonical textb984013d2d73d84bc82a1e18fc92cac70bb5d5dd9715ba36a7f41d1bc6e2568a
Markdowna652d538e95837ebfd7fa5f8929b0c5b321bc1a91631c206426fdbe29dbc3854
PDF
Publication pageb491f960c7790a37ee61ad221972e44770f342a6140cca18626adc8055ed77b6
Manifestd8d760b05937e1f0ad78060a36986b3f7242747638596f046959d8666b2d4920

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
SignaturebbNMDVvcqT2wwRuDaUYEFTwkoxyr/Jw+YyFPy95yBSbwRIjZWH2ujBi5lxFW16p1yoJ1FCnqNQS6XTNyFXloDA==
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

2026-09-17T11:16:03.490006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042348
observed b491f960c7790a37ee61ad221972e447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.472617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042348/manifest.json
observed d8d760b05937e1f0ad78060a36986b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.454205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042348/publication.md
observed a652d538e95837ebfd7fa5f8929b0c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.435790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042348/publication.txt
observed b984013d2d73d84bc82a1e18fc92cac7...
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.