OpenTechnical

OT-2026-000059692

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059692) never changes.

Identity and time

Publication numberOT-2026-000059692 · never reused
Internal UUID01a0ae89-ec24-75fa-96e2-51048e2603a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059692
StatusPUBLIC

Content hashes

Canonical textcfbd0da4775b864b6a615a7df28764b1869eeed51f3966a3fa1d002dbadb798d
Markdowne5d6627313e40d589944ff896eafceb84de78a0e0622690b2aae1aac24ce8d83
PDF
Publication page249c1305457015cbb793b0902c93efbe6d811e7344c70f995fe9fef64b16a1ad
Manifestb9bdfecc9d7047490fc02798af474f0d53cfdbe1f3c32378ea75ad699480cc29

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
SignaturenbBlGQNWcV+4+oVpO7NBLgd9pOpvFnhqS7eRt+WmdrvK7yQtf3Dvj1sDaEsgmRZtA6RHDL01APdEq4QYL4snAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:23.986054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059692
observed 249c1305457015cbb793b0902c93efbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.969679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059692/manifest.json
observed b9bdfecc9d7047490fc02798af474f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.952607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059692/publication.md
observed e5d6627313e40d589944ff896eafceb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:23.933813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059692/publication.txt
observed cfbd0da4775b864b6a615a7df28764b1...
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.