OpenTechnical

OT-2026-000077657

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000077657) never changes.

Identity and time

Publication numberOT-2026-000077657 · never reused
Internal UUID01a0ae95-2ecf-7205-b6fc-b5b4eca0ce68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077657
StatusPUBLIC

Content hashes

Canonical textba89ce98039701e58f0f9618c812f9396ea90639312bad4a596d4eaf334732f2
Markdown3ae37c6f1a112343167790ef0c60c90c83197d12b2c75d672818d4ee0205c4f8
PDF
Publication page97d3b13a76c9e38294eeecb6b4045f35c2fe329ae3cd312568c99965765abbe6
Manifestd6569c01edf31c7ee14eac260956a26a59492c7b25f2e33debb8cc37505503f2

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
Signaturew+0OlzwgV7r9v7JP632gOtTLwwhkw0EcLO3KKa8X6n6ucb/X43X9HD+XfdoBvhSr2pdHBimPPzXqCkRKBY6cCg==
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

2026-09-17T10:07:13.479915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077657
observed 97d3b13a76c9e38294eeecb6b4045f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.461107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077657/manifest.json
observed d6569c01edf31c7ee14eac260956a26a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.441020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077657/publication.md
observed 3ae37c6f1a112343167790ef0c60c90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:13.423597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077657/publication.txt
observed ba89ce98039701e58f0f9618c812f939...
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.