OpenTechnical

OT-2026-000072345

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000072345) never changes.

Identity and time

Publication numberOT-2026-000072345 · never reused
Internal UUID01a0ae92-47c3-7c64-a2e1-1e465be1e6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072345
StatusPUBLIC

Content hashes

Canonical text4a0e01c2950c46cb4eaabcf1e98fe7e86d5df62032078c60a02b9947a8a0c929
Markdown72db8d00b7a78debc4f46fd073aca248ca10a324c64545e970f9d608badc3e52
PDF
Publication page898debd3fbdcecd1764c3c35cb98cea3ee33dc4b21a95f441a4c3b5b037dd1bd
Manifest9216e3b328449087d629b3a7187f0110bd0e91ee4e464c811b2e1dc81ad35a09

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
Signature3jEFEQikYLSkKJzu99p2uoKOX1UIvhEAFHLV7UyPttq2X/Ls9IK1W4WwOXzQAgoZVHHgO6u8tNdtkU8cS0gGAA==
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

2026-09-17T10:23:34.737299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072345
observed 898debd3fbdcecd1764c3c35cb98cea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.720067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072345/manifest.json
observed 9216e3b328449087d629b3a7187f0110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.702531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072345/publication.md
observed 72db8d00b7a78debc4f46fd073aca248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.684862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072345/publication.txt
observed 4a0e01c2950c46cb4eaabcf1e98fe7e8...
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.