OpenTechnical

OT-2026-000022507

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000022507) never changes.

Identity and time

Publication numberOT-2026-000022507 · never reused
Internal UUID01a0ae6f-f4fe-7832-9247-075bad275949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022507
StatusPUBLIC

Content hashes

Canonical text779f13434cab7e91802d055159f21fd9f9df91dba87c9c6d416f9e290fcf3680
Markdowndcae1e43f8a7c42dc0d81e7b7f0389fc37eef1c1f002af6b7a669e847bbb5b3c
PDF
Publication page121392343b8c1604d74abf8c0703ddf9ac699c4e6e2b2c3b1eb94aa212101f40
Manifest5d09ce347b028bd2fac98435d2e8fcb91356a4b9d303c0d82624432ad5a88532

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
Signature1YL7/dmRJOiFkti0ciq4EHmWP7tO81hdcZKVCaDGZ06rhBfDbPsXReZN2dSnF9Ybcc61W1JRYvfWg6v8Sew/Cw==
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

2026-09-17T11:53:56.109335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022507
observed 121392343b8c1604d74abf8c0703ddf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.092934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022507/manifest.json
observed 5d09ce347b028bd2fac98435d2e8fcb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.076794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022507/publication.md
observed dcae1e43f8a7c42dc0d81e7b7f0389fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.059795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022507/publication.txt
observed 779f13434cab7e91802d055159f21fd9...
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.