OpenTechnical

OT-2026-000072677

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072677) never changes.

Identity and time

Publication numberOT-2026-000072677 · never reused
Internal UUID01a0ae92-89d9-7df2-95a1-23c5e69ceb1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072677
StatusPUBLIC

Content hashes

Canonical texta5a70d1761f5499c8951c6c4ef5022a52c418e27f8442089439ab39c37afa8d4
Markdown1d14c0529fa415c384002d02dd5a4fc31961352395f91adaffc2986952e62bd0
PDF
Publication page564325795016b5e8a10fc57142f549a84a29851f2b0e317d561c3c909301fb26
Manifest204686bbf6993afbaa2a26ff113cabe0cb2c4e97a847f82f6a3b25718dcbad3e

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
SignaturePwf8OiEjbNiQAFnGeH6FzqhrwAIk1zHDcle2OsLGix1shaokeM/jv13rhXOB2RpjWrtLqdWdxRq+yImMyQFzDQ==
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

2026-09-17T10:22:32.653970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072677
observed 564325795016b5e8a10fc57142f549a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.637322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072677/manifest.json
observed 204686bbf6993afbaa2a26ff113cabe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.620102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072677/publication.md
observed 1d14c0529fa415c384002d02dd5a4fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.602989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072677/publication.txt
observed a5a70d1761f5499c8951c6c4ef5022a5...
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.