OpenTechnical

OT-2026-000049779

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049779) never changes.

Identity and time

Publication numberOT-2026-000049779 · never reused
Internal UUID01a0ae81-8fef-7c42-860b-5170c90a4cd8 · 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-2026-000049779
StatusPUBLIC

Content hashes

Canonical text0c5700d5a63cb0b6fa335db1782848881db96e8f025fa91e0192729c79b02c3f
Markdown610063dbf000a3fb4cbb91f9054368bede03acf51184b7306aed201c2c8b0b03
PDF
Publication page29d5fbb29ad5f619b819b6fb3237aea23422c5cdbb7c7cdd225dd06003d7c70c
Manifest99e8184fc226f9e6a1735a1c7f09f0754ad83ff27b879c2be868b678c13fab51

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
SignatureRCpRLZxIePG2A47DTO02GHlPLzRCiTZODoOYuHkG2BRqTujHBPGqsuLc7koNdApTJ30hvqcGf4adTgDgy//vDg==
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

2026-09-17T11:02:53.717939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049779
observed 29d5fbb29ad5f619b819b6fb3237aea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.697616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049779/manifest.json
observed 99e8184fc226f9e6a1735a1c7f09f075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.679213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049779/publication.md
observed 610063dbf000a3fb4cbb91f9054368be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.659185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049779/publication.txt
observed 0c5700d5a63cb0b6fa335db178284888...
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.