OpenTechnical

OT-2026-000073902

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000073902) never changes.

Identity and time

Publication numberOT-2026-000073902 · never reused
Internal UUID01a0ae93-2b8e-7dee-8762-c7e4e6d72bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073902
StatusPUBLIC

Content hashes

Canonical textd8dba247808b2f8ddda36f26c43896ce80fbdba3be1339c2b50ce8a2e4abb899
Markdown73cea37abe2915af0743fa77129bf304ce34b1a4db40dc1a4bbe6c9b87b9783d
PDF
Publication page78b930dfb90187e5e95a6acd4b4d2af4c2716680b3a7d0ab5bfa0a82704ab5e1
Manifest923c45e328b097c1349894d11200e6e19456b599aea7258fdcd5c03892186886

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
Signature7pZToEqdatMMUHYETLm0HW37zOXqJM/OZGesS4PYPoQ8rb6TMrNGH9CS7LavuMn8tGp4JSGiUBEIjVQyxDNBBg==
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

2026-09-17T10:20:03.540317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073902
observed 78b930dfb90187e5e95a6acd4b4d2af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.519544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073902/manifest.json
observed 923c45e328b097c1349894d11200e6e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.499193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073902/publication.md
observed 73cea37abe2915af0743fa77129bf304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.479483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073902/publication.txt
observed d8dba247808b2f8ddda36f26c43896ce...
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.