OpenTechnical

OT-2026-000077025

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000077025) never changes.

Identity and time

Publication numberOT-2026-000077025 · never reused
Internal UUID01a0ae94-b071-768a-bfba-da64dc77f34e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077025
StatusPUBLIC

Content hashes

Canonical textd83d5de2157ee08098aa9c90881fa17a13216f1bb6e0ca399dc778d7752afa64
Markdowne595820b1a2bd525dcc74c388cac7cd0b38511d959f123b38b8d6de8a72d0a43
PDF
Publication page460364c5b1c94cbecc81b6ed1af39ba6ebc269ed0116bb0d504cdb42eab81996
Manifestdfa21f00aeb535359b7167938054c6b44860298452f8179052b67f9667e9f14d

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
SignaturenqsejLMQFaZtAKMrmoiizgTRxtyREciP4IMcjmMt8eWy/DV1e1drs3vWbmlkaw+EKAsUoIi3Rf5TCB5Tp9VgCA==
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

2026-09-17T10:10:25.967500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077025
observed 460364c5b1c94cbecc81b6ed1af39ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.945602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077025/manifest.json
observed dfa21f00aeb535359b7167938054c6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.801875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077025/publication.md
observed e595820b1a2bd525dcc74c388cac7cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.780333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077025/publication.txt
observed d83d5de2157ee08098aa9c90881fa17a...
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.