OpenTechnical

OT-2026-000007901

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000007901) never changes.

Identity and time

Publication numberOT-2026-000007901 · never reused
Internal UUID01a0ae6a-908a-75a2-bc32-ef03b7465d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007901
StatusPUBLIC

Content hashes

Canonical text3aa79bb3e7d4e068e66f6c65c8dd473a182977949aaa6041234f75f5c88a9fe2
Markdown15e1802bd0c8295e8291e016e786cc8ea9ccab902ca9d7e4b2cf9a38c72ce7b1
PDF
Publication page99158628a335e10190e98d3c0998053dd728840aa9dce80cc7da337cd05027ed
Manifest1c7e9a2dd27a758f9e835305ad5104a18305cd65916c69a54c4949376f2cf5a2

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
Signature/Kb/IVYGC4koc4j4e/WmsX+hUzhV8Tq2a6e14htcaofocyf68meljsBa3kleQlMOv2K+fTvaHW+Kl8BaUm4tDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.096397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901
observed 99158628a335e10190e98d3c0998053d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.077506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901/manifest.json
observed 1c7e9a2dd27a758f9e835305ad5104a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.011841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901/publication.md
observed 15e1802bd0c8295e8291e016e786cc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.955518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901/publication.txt
observed 3aa79bb3e7d4e068e66f6c65c8dd473a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.720343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901
observed 99158628a335e10190e98d3c0998053d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.704131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901/manifest.json
observed 1c7e9a2dd27a758f9e835305ad5104a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.636077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901/publication.md
observed 15e1802bd0c8295e8291e016e786cc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.589923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007901/publication.txt
observed 3aa79bb3e7d4e068e66f6c65c8dd473a...
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.