OpenTechnical

OT-2026-000067564

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000067564) never changes.

Identity and time

Publication numberOT-2026-000067564 · never reused
Internal UUID01a0ae8f-6bda-739b-b311-27a21a877af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067564
StatusPUBLIC

Content hashes

Canonical texte537da18c786a4c808131d95756ff0c918ab07c04dedfbf2c6d140df2a99cc53
Markdown0de26d1ee50a7cf6f4c67355874941820d0a01689f2a3d591f08a084aca883ec
PDF
Publication pagebee3db7dbf9a8890e04d35fe07cd7d82d0d803eb2bab7d4ba8ba00987b313890
Manifestac4b539aa7ba5831f17e1e9a0ccd425c7d7ce11f16ad14623b3d652c75bf42f0

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
SignaturefjR4Ifgr6UpcadcuSY3f5kduLqwnc48N9COLf9Ua3CPuoUTmtCBT2nogq5vGFLhPGeb/aOpr3OJWDxMfQ3NRAw==
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

2026-09-17T10:31:52.401897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067564
observed bee3db7dbf9a8890e04d35fe07cd7d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.384935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067564/manifest.json
observed ac4b539aa7ba5831f17e1e9a0ccd425c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.367701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067564/publication.md
observed 0de26d1ee50a7cf6f4c6735587494182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.351569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067564/publication.txt
observed e537da18c786a4c808131d95756ff0c9...
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.