OpenTechnical

OT-2026-000069081

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069081) never changes.

Identity and time

Publication numberOT-2026-000069081 · never reused
Internal UUID01a0ae90-6dce-718e-9177-65559d4962d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069081
StatusPUBLIC

Content hashes

Canonical text5a8497fba12231a95ec7c80ac0203c0bd168d0a0b67b2c39d955e1cb4db31e84
Markdownc63a6d88aa501c731c94bcac600e62426baf8f5c864f629031e259694b2b221a
PDF
Publication page229f0448f56aed33f88ef239bfdb8d02384e4e8c5b3d9cee8342e9d6b5fd6e06
Manifestfd5090919620a4136ee1acd47c086b290717d262c16918827adf2a9de890a95c

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
SignaturefKiOtEPBGXSad9qk5e9DnWa7evShPBmO2GMdadhkVLn1Kh6bUDxHt2bLwSpd+VTxALO8FnFhkKAyNmuq7QjYCA==
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

2026-09-17T10:28:56.932845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069081
observed 229f0448f56aed33f88ef239bfdb8d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.915316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069081/manifest.json
observed fd5090919620a4136ee1acd47c086b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.897656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069081/publication.md
observed c63a6d88aa501c731c94bcac600e6242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.877146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069081/publication.txt
observed 5a8497fba12231a95ec7c80ac0203c0b...
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.