OpenTechnical

OT-2026-000080045

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, sustained 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-2026-000080045) never changes.

Identity and time

Publication numberOT-2026-000080045 · never reused
Internal UUID01a0ae96-4377-7360-9924-440ec018c64e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080045
StatusPUBLIC

Content hashes

Canonical text59018764080ea8df8413c75c1da4f7715c4457223d823e9fed43ef5e886b316d
Markdown3e02f1507f1e5c488ad6e920cd0bc4d28680ce71aec76c22f8e601967a691360
PDF
Publication pagebe82e57e15cc627bbc29fbcaaf3b021832d1feebb8ea3e6af861f65335dda7c2
Manifest8107383853ff65a2f4d90338e729b1eefeef63b0676f960ad3ada2c5d913e42a

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
SignatureMA2cjyeyc31KQOGhiZsgscMvA2dZMZuOKfWqu3OlCBQUYoEPk/cshNv1owBG/cq9Qc5hdpqsl8L1jgH0iJz7AQ==
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

2026-09-17T10:03:58.375072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080045
observed be82e57e15cc627bbc29fbcaaf3b0218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.358019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080045/manifest.json
observed 8107383853ff65a2f4d90338e729b1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.340769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080045/publication.md
observed 3e02f1507f1e5c488ad6e920cd0bc4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.323170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080045/publication.txt
observed 59018764080ea8df8413c75c1da4f771...
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.