OpenTechnical

OT-2026-000035291

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000035291) never changes.

Identity and time

Publication numberOT-2026-000035291 · never reused
Internal UUID01a0ae76-6a1f-7efd-8f34-5bd1f50b1f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035291
StatusPUBLIC

Content hashes

Canonical text765357c031fda9ef682a0a3001aee5c5db712697a56d4ce6def82f4aa7833280
Markdownef8836ee1a73f7ac8f1738cfc3e744b580cebb5f7c4b1606e5e7147f7c059644
PDF
Publication page716117a65fdecd4c9857aaff7c1175393d194083c45784e8c53c4aa769759674
Manifest77959dfa9d1d509b2016497bb744d6362c4a5cf134f26ac8bbe0a4e092fa5778

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
SignatureUYL/SwoTuAXnEojYGro+gTak4KqJE2M5rAcSg0lj32T9gxSci4GzX9hJGBdQ2br/g5/84pS2o7KnlbU9KKWABQ==
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

2026-09-17T11:28:26.805421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035291
observed 716117a65fdecd4c9857aaff7c117539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:26.789445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035291/manifest.json
observed 77959dfa9d1d509b2016497bb744d636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:26.772581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035291/publication.md
observed ef8836ee1a73f7ac8f1738cfc3e744b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:26.756926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035291/publication.txt
observed 765357c031fda9ef682a0a3001aee5c5...
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.