OpenTechnical

OT-2026-000101978

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000101978) never changes.

Identity and time

Publication numberOT-2026-000101978 · never reused
Internal UUID01a0aea4-50f1-7ccf-b214-47abc0fde88e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101978
StatusPUBLIC

Content hashes

Canonical text9b703f967869996679b75707d3b2b4074e98feab718cd6ac2fc270aa36f7aa99
Markdown01caa4ef218ee52e97ea2e0e3ea0d9a908dbf1ac3d9e4a1eeb2350f9457b3743
PDF
Publication page660fcbc691a07de03e466555cee42e97e80f89f35a8ca7a98088e501149ce7df
Manifest00694de996ee21fc3ad84bf04116975c27826c56237be1ac55cd5b6b22984802

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
SignaturexkvBbiLb3iVYg/19ToYhF+aArXLO3deQspG5j/jbJ7gre8Cf5YJiFxo5Kc3V1qN3F7KBXSi70iBTF7aIVjwqDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:06.109619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101978
observed 660fcbc691a07de03e466555cee42e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.091025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101978/manifest.json
observed 00694de996ee21fc3ad84bf04116975c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.072614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101978/publication.md
observed 01caa4ef218ee52e97ea2e0e3ea0d9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.055682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101978/publication.txt
observed 9b703f967869996679b75707d3b2b407...
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.