OpenTechnical

OT-2026-000073415

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000073415) never changes.

Identity and time

Publication numberOT-2026-000073415 · never reused
Internal UUID01a0ae92-efb8-76ce-8d81-80a676c21306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073415
StatusPUBLIC

Content hashes

Canonical textc14a003e922342633848d997267ebea2f57f8f3da534c6698ce5f14dd24e062b
Markdown44e5faa8e3ae8f6d9a85699bf257556277bf4b63f1ba50739b5d31fabfe5481a
PDF
Publication page666db2d317a99658401dc51e03a995ce8fb1177e6b1c40f5238bc5ad5b07a7f0
Manifest5085bcd9439a5cdaf9fc7dcce0c80041568b12461e0fe5217244533f40edcf0d

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
Signaturefa6gaTKkDUIoJvkShwt4fDFIukayR2k4st7M3yN3DjH2Vxtf3qi/mgddZTD0rqpWp8RbdA7gGriKJrcFstRlCw==
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

2026-09-17T10:21:33.875233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073415
observed 666db2d317a99658401dc51e03a995ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:33.850546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073415/manifest.json
observed 5085bcd9439a5cdaf9fc7dcce0c80041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:33.830492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073415/publication.md
observed 44e5faa8e3ae8f6d9a85699bf2575562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:33.811409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073415/publication.txt
observed c14a003e922342633848d997267ebea2...
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.