OpenTechnical

OT-2026-000049752

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049752) never changes.

Identity and time

Publication numberOT-2026-000049752 · never reused
Internal UUID01a0ae81-8fef-7282-8723-c335f08f6b11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049752
StatusPUBLIC

Content hashes

Canonical textb5a0b0f49afdcf2716f7d547b0951bde854e363050b055699032bac1ad393ef9
Markdowncce796c0441c61ad900efb0b6d0fb3f40828188477c9a662aaf82a6e78a8cfb6
PDF
Publication pagec605bd2d2b777571f50d085d7863868b6d5734f4ee025d3af58901c374e02f4b
Manifeste075f80b1bd75947d6503c400715475b0d2d48fbbb7935495d5d6844112fcf24

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
SignatureRHmX27fq2EGa4UeRS2SgxT/nusx+/HzKsIfEyt0mS2rTqvuiyYVJXAn+9vFfWOkR8Zf/HF5blG69LOP9aphIBQ==
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

2026-09-17T11:02:46.914495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049752
observed c605bd2d2b777571f50d085d7863868b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.896298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049752/manifest.json
observed e075f80b1bd75947d6503c400715475b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.878275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049752/publication.md
observed cce796c0441c61ad900efb0b6d0fb3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.859503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049752/publication.txt
observed b5a0b0f49afdcf2716f7d547b0951bde...
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.