OpenTechnical

OT-2026-000102284

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102284) never changes.

Identity and time

Publication numberOT-2026-000102284 · never reused
Internal UUID01a0aea4-50f3-7b59-93aa-afcc28e99972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102284
StatusPUBLIC

Content hashes

Canonical textf8b318518283db6c4d980e12108ca742285ca57c5afb3300677ab6a3dc5a37fb
Markdowna7bf4873b84362da96fad49e84a4b64cf9d811467a45efedc92940530989ec90
PDF
Publication pagedbe7e9e2fa4b6a5176d98757e9e080426a4c0eea7109ddc15c6ce54d2ef494a3
Manifestec00f7dbe0e6c386a3c6b6c3c3751819d1cb913ffbdb1783a801045aa6edb762

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
SignaturebEvBXjxZohKkTSNRKZy+7XI/ftr4BqwOmHl5mjWVG8a6hVBMuoeVLuVod5N/FlnxPaUlUhdmRB7DQieA9Q5nAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:28.549581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102284
observed dbe7e9e2fa4b6a5176d98757e9e08042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.532399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102284/manifest.json
observed ec00f7dbe0e6c386a3c6b6c3c3751819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.515727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102284/publication.md
observed a7bf4873b84362da96fad49e84a4b64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.497255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102284/publication.txt
observed f8b318518283db6c4d980e12108ca742...
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.