OpenTechnical

OT-2026-000030372

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000030372) never changes.

Identity and time

Publication numberOT-2026-000030372 · never reused
Internal UUID01a0ae73-e501-7c86-9d93-e8be10558ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030372
StatusPUBLIC

Content hashes

Canonical text0dd81d7cd0121c7dc95692edae77b5e6dc8bc245e5525b43c58c9b16a34293e6
Markdown39857f7f752e7ef85fa162368ebbffaa5bc9fddf759bd84c0dcbbf923cb78f97
PDF
Publication page6312f7512dc242e06a296c2bde561eaba758d0e17ad78b17f85abe5819a887b1
Manifestbe81e9f41e7ab673705e025ced78e50e8d8ff06a9328a2124ad7173a84debf92

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
SignatureoAARjejdM57Osx8O9nEhsmiD51OvuKZpdROiNaYiHovzuFsYM/BvaMwUXPwjA3O5fnH9IOu9BAqXzZq2+eCEDg==
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

2026-09-17T11:38:05.733032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030372
observed 6312f7512dc242e06a296c2bde561eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.714902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030372/manifest.json
observed be81e9f41e7ab673705e025ced78e50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.695852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030372/publication.md
observed 39857f7f752e7ef85fa162368ebbffaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.679084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030372/publication.txt
observed 0dd81d7cd0121c7dc95692edae77b5e6...
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.