OpenTechnical

OT-2026-000031203

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000031203) never changes.

Identity and time

Publication numberOT-2026-000031203 · never reused
Internal UUID01a0ae74-87ab-7161-86b7-26e72076817a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031203
StatusPUBLIC

Content hashes

Canonical textdf0192f091ad334290baabd2d5b60645318dad5dbe656942a8318000499df395
Markdownbb68289072c7901cff9a2bb5b8feaccbbc1829c0250cee89f72cedbcd02ae2f7
PDF
Publication page108cb710f46122a3cf0f6e9037cff9315272aa1f1a4743398d26da75cd07d370
Manifesta4ee2cbae8995304ddfa29aa24b4ce9f67019bbb4ae56880261025803f9d3944

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
SignatureXeMrAARuHLezRsIu/QKwo5Mo8x+2K5N8pgAdKgkmYXbqQ8/YdKh8XdVgJkJk3lkslKU4ve/+fu0EXrPdTgYWBg==
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

2026-09-17T11:35:45.972227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031203
observed 108cb710f46122a3cf0f6e9037cff931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.955250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031203/manifest.json
observed a4ee2cbae8995304ddfa29aa24b4ce9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.938781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031203/publication.md
observed bb68289072c7901cff9a2bb5b8feaccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:45.920922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031203/publication.txt
observed df0192f091ad334290baabd2d5b60645...
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.