OpenTechnical

OT-2026-000072749

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000072749) never changes.

Identity and time

Publication numberOT-2026-000072749 · never reused
Internal UUID01a0ae92-89da-7e40-914b-c8f1a5f7c5ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072749
StatusPUBLIC

Content hashes

Canonical text0b1362fea9016d2e87e5f2af9e16e2af88413b84337d42ac6a482c92ad5afa77
Markdownf8b0bb9d367628cfda8f0709064692f8c8fbe4d7015e3ab83552067040a6604b
PDF
Publication page7f784b88d08ad5adff33936246efcd17bd75c925d2db13571adb0d4321975a7b
Manifest590a16157959a41104d69de23f59e0b0fe8c200ff2fddcb428757085bd343857

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
Signaturet4dMel4sDPSZcEWzuc+hCH5BfitcU18ZXh2bhz2a2VCEiqj63Kz21mp6qpiiqSldaeNcAMRLX483XPbYJs8WAQ==
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

2026-09-17T10:22:39.270591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072749
observed 7f784b88d08ad5adff33936246efcd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.254301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072749/manifest.json
observed 590a16157959a41104d69de23f59e0b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.236699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072749/publication.md
observed f8b0bb9d367628cfda8f0709064692f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.217866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072749/publication.txt
observed 0b1362fea9016d2e87e5f2af9e16e2af...
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.