OpenTechnical

OT-2026-000034499

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line 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-2026-000034499) never changes.

Identity and time

Publication numberOT-2026-000034499 · never reused
Internal UUID01a0ae76-1ed0-761a-b532-1148c379d488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034499
StatusPUBLIC

Content hashes

Canonical text8b2b641069cd7ed5f59e77b5e36ed487fe9a334a9403adb8eef1d99af1f21730
Markdowne95ee9c65bdff06d4706a42c2ff65210c1672a811f6c5f1de509ef71a125e99e
PDF
Publication page8e501e43ea34f5d7f0a5b5b5ea6b0dd3d559d9dddb5346be96c9434a22938fba
Manifeste4d19ccc2926a14cacea4c691769aecaf013b3ec95228d5320c0dd2fd80dd80b

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
Signatureh2OvPTIUGR+5alEt48e0Qzsej89XcJGm0REoXR/zaqx5vAKYVi0usTmJ0X49qMF0sMo9x77jLH+m6cQR19xvDQ==
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

2026-09-17T11:28:50.087944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034499
observed 8e501e43ea34f5d7f0a5b5b5ea6b0dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:50.069597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034499/manifest.json
observed e4d19ccc2926a14cacea4c691769aeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:50.043599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034499/publication.md
observed e95ee9c65bdff06d4706a42c2ff65210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:50.024312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034499/publication.txt
observed 8b2b641069cd7ed5f59e77b5e36ed487...
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.