OpenTechnical

OT-2026-000042487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000042487) never changes.

Identity and time

Publication numberOT-2026-000042487 · never reused
Internal UUID01a0ae7a-c0cc-7924-bedf-78440ab739e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042487
StatusPUBLIC

Content hashes

Canonical text928fad3c851b346473d3811b1f0f5ab7ae3a8b42406ba915da2f73a161d4dd30
Markdownebbacead0fa0026bfa040edffa4ae0adc4db80692763b8cc6447190c04f6c00b
PDF
Publication page4630c1e41a7f000fb232460f3bcaa53011371f4c806842878b35585d3cf96266
Manifestdff2facee86a84cc105e689caa22075bf12b15cab4437b2077ab4ecaf6707154

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
Signature8DTyaDw4NwO18K8GraFYKpgQy5a+pmH3K76N+jkSzKiIF6tien4n4VV3Tk9GL7IF7UL8POi6U3VmdiDJ43mSBA==
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

2026-09-17T11:14:03.520714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042487
observed 4630c1e41a7f000fb232460f3bcaa530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.501345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042487/manifest.json
observed dff2facee86a84cc105e689caa22075b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.482620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042487/publication.md
observed ebbacead0fa0026bfa040edffa4ae0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:03.462978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042487/publication.txt
observed 928fad3c851b346473d3811b1f0f5ab7...
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.