OpenTechnical

OT-2026-000035219

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000035219) never changes.

Identity and time

Publication numberOT-2026-000035219 · never reused
Internal UUID01a0ae76-6a1e-706c-8845-0c524b5bb75d · 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-2026-000035219
StatusPUBLIC

Content hashes

Canonical text2890dcd461f15dc3387b4975d7197895442fa1fb42e65247259458e9759511e5
Markdown635d182f9b47203934028497b205b209d69dc0f671f4b40813db842d16825619
PDF
Publication pagedf874b5e62c85cd3c076c240ba506e56a5830a9cf05d2f30cd7b81ab9b71ae73
Manifesta8254d2dbe6f25f5bf91739c6e86e06c6cb3cccf7ac61f659b6625aa10f759b4

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
SignatureR0G7QUHb2vznbSCia+vramKGbKs2bffbwBddb2UzrjW8O1y+Y9v2HBwifUapGK7AhBtR+nsKcLgPIkN8L/HuAQ==
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

2026-09-17T11:28:21.098824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035219
observed df874b5e62c85cd3c076c240ba506e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:21.081125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035219/manifest.json
observed a8254d2dbe6f25f5bf91739c6e86e06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:21.065872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035219/publication.md
observed 635d182f9b47203934028497b205b209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:21.049384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035219/publication.txt
observed 2890dcd461f15dc3387b4975d7197895...
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.