OpenTechnical

OT-2026-000035223

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-2026-000035223) never changes.

Identity and time

Publication numberOT-2026-000035223 · never reused
Internal UUID01a0ae76-6a1e-7f1a-8f6a-757ec8c37f6a · 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-2026-000035223
StatusPUBLIC

Content hashes

Canonical textbc18ca6fe629d05edd7b92a00ed9a15f4898d37126595afe3f71f5693a1b060a
Markdownfef90de4769f7b3097f6830c86f0ce39ecc73cdd4eccdb2dc75367f45fa757ca
PDF
Publication pagef883c13c31d1772d2545b08c83e3f7a1be8639c28a58a075dc52d297aa75a39d
Manifest786c2160b8b05475080efdf589b71d00388659f6c4e01f7845fde8cf63e677c4

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
SignaturenBtO3ZLN+zGublSEskhnqFWJk1i1+9FNiUb3KtKsLqhL6CFEiNhtNH5RFbHyIBYgLEJhFTaigqeH0EFVl6vKCQ==
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

2026-09-17T11:28:21.489791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035223
observed f883c13c31d1772d2545b08c83e3f7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:21.469265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035223/manifest.json
observed 786c2160b8b05475080efdf589b71d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:21.431970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035223/publication.md
observed fef90de4769f7b3097f6830c86f0ce39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:21.403091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035223/publication.txt
observed bc18ca6fe629d05edd7b92a00ed9a15f...
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.