OpenTechnical

OT-2026-000072587

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000072587) never changes.

Identity and time

Publication numberOT-2026-000072587 · never reused
Internal UUID01a0ae92-89d9-7264-8c3c-475960709c05 · 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-2026-000072587
StatusPUBLIC

Content hashes

Canonical textff38cf55dce8f495f03e6325919819fad07ddeea8ff7b65014726cef07de395c
Markdownc9fc5e8b3d553273a9778cf360f948e62fa3716578f14a8a75693b4be03256c4
PDF
Publication page4bdde45641e0cf730e8087bc09fd30c41880627821c9c952254515c7fccfd22f
Manifest85a1017961b4d424669d55f038076eb1d398b5eff120cff0961707ad99cbf0f6

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
Signaturem8rnLdgdkTmwmPoVryXiew2M9O6mBmWulVjY+kLYZGcgo1tr4seH4zt4+BZd17kvC6CbFT25leiCODNuZgyLAA==
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

2026-09-17T10:22:25.814828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072587
observed 4bdde45641e0cf730e8087bc09fd30c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.797023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072587/manifest.json
observed 85a1017961b4d424669d55f038076eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.777951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072587/publication.md
observed c9fc5e8b3d553273a9778cf360f948e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.760729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072587/publication.txt
observed ff38cf55dce8f495f03e6325919819fa...
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.