OpenTechnical

OT-2026-000034607

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000034607) never changes.

Identity and time

Publication numberOT-2026-000034607 · never reused
Internal UUID01a0ae76-1ed1-712d-a82b-a2b66e78592d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034607
StatusPUBLIC

Content hashes

Canonical text2756cb68fc2ee4bf47a1c4882de2db7d3230f802fba8319436ae24bb30f2b3ff
Markdown1cf61091a9f74ad162f9ddda410d4f173c4dbe7889471e5d5a709ee42c69923e
PDF
Publication paged52fde39af76a31454af10ba7251e1b11a24a0a8c03f7c8628dc0ced0505a0a5
Manifest881738af9458180ba25fac0c66f2ca7ae7bce7f315ac3e9906b7b4bd99ac8837

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
SignatureKaLiz2pknQkCilE2rgJohlAip4vJHdXPXcHwLuQv9IZYHJbemzfmY2IbDfrTk18pWsZzTFK2D4JzIG05wetuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:59.246974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034607
observed d52fde39af76a31454af10ba7251e1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.229763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034607/manifest.json
observed 881738af9458180ba25fac0c66f2ca7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.212307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034607/publication.md
observed 1cf61091a9f74ad162f9ddda410d4f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.196017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034607/publication.txt
observed 2756cb68fc2ee4bf47a1c4882de2db7d...
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.