OpenTechnical

OT-2026-000030800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000030800) never changes.

Identity and time

Publication numberOT-2026-000030800 · never reused
Internal UUID01a0ae74-3fb5-7cea-8c38-cd2a0b70ecbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030800
StatusPUBLIC

Content hashes

Canonical textc48a1e69dc22e27cadbd09fc9fc8b7d700e32331840ddad0c7620ae50747a4fa
Markdown738bd63fac6daedfc41c70b00a326c2f08b31d813c535152a32e529e97a3e868
PDF
Publication page8383a28873cfa72912eba69847b2aaba9efc9bb1f4a81d0504baafeca126ced9
Manifest230961947605c4703619b0416d9561fcf1a97d35a510bf919fa1ba2601fbcc6c

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
Signatureft5ZIfMzaPfbx8BcyF2T5ywD/FEIme5eEACSUFEybPliDDzENi34MJPHJh2FlSm9pvYyQOckV44uIRCaeQvAAg==
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

2026-09-17T11:36:46.196925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030800
observed 8383a28873cfa72912eba69847b2aaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.179702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030800/manifest.json
observed 230961947605c4703619b0416d9561fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.161938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030800/publication.md
observed 738bd63fac6daedfc41c70b00a326c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.143403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030800/publication.txt
observed c48a1e69dc22e27cadbd09fc9fc8b7d7...
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.