OpenTechnical

OT-2026-000032961

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000032961) never changes.

Identity and time

Publication numberOT-2026-000032961 · never reused
Internal UUID01a0ae75-4843-7626-85dd-38e92719daf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032961
StatusPUBLIC

Content hashes

Canonical text757d880d3178348bf6beb413be2e38c880268e4ed7883ef21ae690e7b0f68ff6
Markdownffae5e3437189dac60c80ccaa709dd31dbf0aeb32a195a9a72a5c255363c9470
PDF
Publication page677fa750da7168bfc4b61003cde36ee0055da58f22d95df3d8dbe7e7abe5bee9
Manifest7a4783a40bb21b3df4d6e8d8b1cc5c5fb8d4918d6ec627eb745d9b26f16bb812

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
Signature3cmyJ0j8ENCxYWpGVN5iOfoOr4vTOt5aP90L55wAMwpGtq2BJP0LAAIWroO84+cpbxpin3YFPDIQvw4sNwSyCQ==
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

2026-09-17T11:32:34.060440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032961
observed 677fa750da7168bfc4b61003cde36ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.041258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032961/manifest.json
observed 7a4783a40bb21b3df4d6e8d8b1cc5c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.023439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032961/publication.md
observed ffae5e3437189dac60c80ccaa709dd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.005252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032961/publication.txt
observed 757d880d3178348bf6beb413be2e38c8...
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.