OpenTechnical

OT-2026-000072173

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000072173) never changes.

Identity and time

Publication numberOT-2026-000072173 · never reused
Internal UUID01a0ae92-47c2-72ab-b03a-d920f89bc019 · 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-2026-000072173
StatusPUBLIC

Content hashes

Canonical text84427e2264a73ec2a8b2050ac989a0307e2f39de5089d64158b1a9d4243e771d
Markdown112d282a998966efbde3d9331d6428aeca9998dc231038a27ba18725922a827e
PDF
Publication pagef5eb7f5db11ec33e40d770dd0b40d8a3cc71a0d00a5ea8e2c98f8a14991a294b
Manifestf9049baaf66fdbbeb862e1ce71c92ffb829d57bc3d9e85740552758a1b9d165f

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
SignaturenAQ3rHJCVd3Z2mrUh5PXb0wFsplyoSrNDdcW5/Lm6tZu62GqLMH65ZlFh1aH0A66GvgkUUnoEJKxI7qOjjSRAg==
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

2026-09-17T10:23:16.288251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072173
observed f5eb7f5db11ec33e40d770dd0b40d8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.272193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072173/manifest.json
observed f9049baaf66fdbbeb862e1ce71c92ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.255931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072173/publication.md
observed 112d282a998966efbde3d9331d6428ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.240015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072173/publication.txt
observed 84427e2264a73ec2a8b2050ac989a030...
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.