OpenTechnical

OT-2026-000037403

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000037403) never changes.

Identity and time

Publication numberOT-2026-000037403 · never reused
Internal UUID01a0ae77-b8cd-70d2-b822-fa6403333b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037403
StatusPUBLIC

Content hashes

Canonical text0a2f6b9471dba8bc1693d787b6fc4c9a502bdf4989af242f3526d92bf6876a5b
Markdown585a52ff70e6142f11b59d5228b49179dacd13f99590a4c7611fd11ad40bc49f
PDF
Publication page63b66f1bfaefd9605703f2a1478c8c5140c590399c482ec112f82098b6b2554b
Manifest3acc281564c94184ac5843a6fb402eb0082bc2e2de42c82d2ef4ea1f491449dd

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
SignatureefSQZ11Vtlz/zUd20m/Ht6hskzBAazSyG0n30v48+tShWzhQsGOg5W1c/0grpfITZW2IzzsYVaFRZoC4ErqMDg==
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

2026-09-17T11:23:50.133559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037403
observed 63b66f1bfaefd9605703f2a1478c8c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.115730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037403/manifest.json
observed 3acc281564c94184ac5843a6fb402eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.097494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037403/publication.md
observed 585a52ff70e6142f11b59d5228b49179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.079281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037403/publication.txt
observed 0a2f6b9471dba8bc1693d787b6fc4c9a...
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.