OpenTechnical

OT-2026-000020759

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000020759) never changes.

Identity and time

Publication numberOT-2026-000020759 · never reused
Internal UUID01a0ae6f-65e2-7e20-b7fc-696cb6e90f34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020759
StatusPUBLIC

Content hashes

Canonical text5bebbcea43a828216f0ea03ffeb15a0468f388f6a32488145be42d59ce75865c
Markdowne9eb56b2ca1228a6664d6bfe7479c6cf28b12842faee17a3473a1f1b713adfad
PDF
Publication page2000d1738e8b7451f9b61bf9f39da8aedeb31fce1a8c0662652f52fd36132178
Manifest2fd27c217f5bcdf6f9705ce1dd57861eaff0cf03543df56f854acf54b535b433

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
Signature4vhrKC+9rPQl8Q185SVJXSpF9Xypr5vT1ToiyDQErZRGXVX8QveOh1qop3cSXCtj3nZnoJdRsItZK1Ae5UkCAg==
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

2026-09-17T11:55:49.962099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020759
observed 2000d1738e8b7451f9b61bf9f39da8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.944190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020759/manifest.json
observed 2fd27c217f5bcdf6f9705ce1dd57861e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.925315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020759/publication.md
observed e9eb56b2ca1228a6664d6bfe7479c6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.909115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020759/publication.txt
observed 5bebbcea43a828216f0ea03ffeb15a04...
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.