OpenTechnical

OT-2026-000031795

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000031795) never changes.

Identity and time

Publication numberOT-2026-000031795 · never reused
Internal UUID01a0ae74-bad1-71c4-b64f-9f29178fb071 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031795
StatusPUBLIC

Content hashes

Canonical text1a34b3367c502d39053bb895a1d81ca324e25b47ac868b0e2e890c28c1c0e3ba
Markdowne67afebc4852a06d68909c24d895f8ab11b8d8d61299ea8189ed46181154ed99
PDF
Publication page9ce506ff1ee7e4cea91fef579ea38029d424eb544fd3ee6376eab108ba6b438b
Manifestbd9872078204931701256f9bdb869ce877101a026aebfa84716011786d684728

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
Signature1pFC9Ik7bqX4dAUts8YO4eGmwiSbDHz18BhYrsJR8cT/4C4oud8Hjne4W3wSPKM2Dq8Rd1VvIS5xhHNFbUTVCA==
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

2026-09-17T11:34:55.725684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031795
observed 9ce506ff1ee7e4cea91fef579ea38029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:55.687744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031795/manifest.json
observed bd9872078204931701256f9bdb869ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:55.658398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031795/publication.md
observed e67afebc4852a06d68909c24d895f8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:55.633253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031795/publication.txt
observed 1a34b3367c502d39053bb895a1d81ca3...
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.