OpenTechnical

OT-2026-000072059

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000072059) never changes.

Identity and time

Publication numberOT-2026-000072059 · never reused
Internal UUID01a0ae92-47c1-7281-b73d-0b38a087813b · 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-2026-000072059
StatusPUBLIC

Content hashes

Canonical text88fd81835c483259430659803784462356a12aecbdfce39d4e7d56b1d72a1b69
Markdownf887ad29c8fbf52ea3c1995461cd762b8bc36d72b1287d92676b38fc07dd068c
PDF
Publication page4ecf4f42a25cd495d8fe92b606e185ddd328c6768cc3eaaef0fd8eff45f5bf56
Manifest89c2227908f20dbea1eed9128c18d2e0a3795e4326792cf5c1d22ff789492c92

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
SignatureRLpcokHSYED6kU82+Hh5ZWVox8DPpJTuLl+cZnnAoFiVhjHF6bQupuYBrx3g2C908ICrBMAZo4+xoehk60vACQ==
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

2026-09-17T10:23:07.830902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072059
observed 4ecf4f42a25cd495d8fe92b606e185dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.805284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072059/manifest.json
observed 89c2227908f20dbea1eed9128c18d2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.784125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072059/publication.md
observed f887ad29c8fbf52ea3c1995461cd762b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.764744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072059/publication.txt
observed 88fd81835c4832594306598037844623...
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.