OpenTechnical

OT-2026-000080317

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000080317) never changes.

Identity and time

Publication numberOT-2026-000080317 · never reused
Internal UUID01a0ae96-7e77-7831-a355-6a209589c11a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080317
StatusPUBLIC

Content hashes

Canonical texta602a145b099aaa6cd7ffe2694fc11ac9602cde9da48929d4811657d349751c9
Markdown7b823bdc72ae108d02f50080b203ca03a65197308121afcc5dae94ef10cc17bc
PDF
Publication pagec4e17a609bda2182d0816d126e81d1cb9a16e9c02191f6cb3fd8042e9bc286e9
Manifestcd187b6ecf194c5cb6a21411413760c5af63910650549eb9996166ffe7e59e20

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
Signatureh2rfPL0jE3c+WzKlf+8tpIheC4OVQglqxVETWVePjM7UnRlU97rQ+ai6me3WRWHmxzCEucHf1vf17dvJcFrZAQ==
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

2026-09-17T10:02:47.298112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080317
observed c4e17a609bda2182d0816d126e81d1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.281479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080317/manifest.json
observed cd187b6ecf194c5cb6a21411413760c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.265500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080317/publication.md
observed 7b823bdc72ae108d02f50080b203ca03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.247709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080317/publication.txt
observed a602a145b099aaa6cd7ffe2694fc11ac...
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.