OpenTechnical

OT-2026-000100341

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000100341) never changes.

Identity and time

Publication numberOT-2026-000100341 · never reused
Internal UUID01a0aea3-3054-7440-93eb-45c124eafbb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100341
StatusPUBLIC

Content hashes

Canonical text698766c1d61771583621dbde7ca885ab34cfd5304d0b11bf472fd54ddcce157b
Markdown35a43d977ed8745e1cd8e5631074c960036fdd7d9c9d5f2a57c15316ac0c5cc8
PDF
Publication page555afee926bd4c4df05fd0ed6727991b97fa24e6272d12652e5d3661023cc477
Manifest2864d2d7d71a9e93cf32130b8bf0308e41e13ddac14a0565765d3cf598974767

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
SignaturejWc2bbFxTKHfV4dKda3Qf9mMLQL8+yR+oY68ygX57CcUBiDOQyVnIDkTfKmNseKGNomG2nAxSiMJ4OZG9bVoAA==
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

2026-09-17T09:30:17.212828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341
observed 555afee926bd4c4df05fd0ed6727991b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.194811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341/manifest.json
observed 2864d2d7d71a9e93cf32130b8bf0308e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.177739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341/publication.md
observed 35a43d977ed8745e1cd8e5631074c960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.158300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341/publication.txt
observed 698766c1d61771583621dbde7ca885ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.640728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341
observed 555afee926bd4c4df05fd0ed6727991b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.621890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341/manifest.json
observed 2864d2d7d71a9e93cf32130b8bf0308e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.601797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341/publication.md
observed 35a43d977ed8745e1cd8e5631074c960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.583425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100341/publication.txt
observed 698766c1d61771583621dbde7ca885ab...
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.