OpenTechnical

OT-2026-000084583

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000084583) never changes.

Identity and time

Publication numberOT-2026-000084583 · never reused
Internal UUID01a0ae98-e25b-7c2c-8464-7a8554d84bae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084583
StatusPUBLIC

Content hashes

Canonical texta98ee8dc3b196f3a9525979c04c9201b74adb527d7e7c7445eaae4c974eeae0f
Markdown793c2d1a41fe328d44522acaebabb3dc246abf278222c5a4a890fbcc10ff6918
PDF
Publication page0309fc6d2f808ee1bb6755ed56ca6295b71fa9cad6597f483b26c34fa90c0e1f
Manifestde1a89aaf20e3f786300eb064df6eef1f8326b155c805e96c397acd832d1a430

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
Signature2opF4xf+4RvZC1Ks8StcZXrvaBE1SNk+t2CEdEGo+VLgmzoPhwcKbJ6mNQZjJTZbmxnX17fNh0h8nRi/Xf7yDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:28.973029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084583
observed 0309fc6d2f808ee1bb6755ed56ca6295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.955245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084583/manifest.json
observed de1a89aaf20e3f786300eb064df6eef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.936357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084583/publication.md
observed 793c2d1a41fe328d44522acaebabb3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.917594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084583/publication.txt
observed a98ee8dc3b196f3a9525979c04c9201b...
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.