OpenTechnical

OT-2026-000024034

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000024034) never changes.

Identity and time

Publication numberOT-2026-000024034 · never reused
Internal UUID01a0ae70-aed7-7369-b6c5-9b0d8a041d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024034
StatusPUBLIC

Content hashes

Canonical text2832914e3c944988dca4b187914103f1f9dea32dc77227061c44b80085d7f36e
Markdown0946e1f1a4765db330993db1133a954132cba9dd2bd7898e2d54528fc79a4b1c
PDF
Publication pageab09c11402d4e53216873d09a4f93f4fb675a7fc2a5bd1d2366e99644076e6e6
Manifest730028f91d7eb3a3cdb67e007c51c1de57c982bedfcd096342216c875f34a16d

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
Signature7xWiOkME65EIot9/RL91diC1ks0G9rPUSrCcimUxaKqaxiuBNh/uTrw4xsiqfAVCVjo/pRXk1AzLexZGt36CCg==
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

2026-09-17T11:50:49.238081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024034
observed ab09c11402d4e53216873d09a4f93f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.217625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024034/manifest.json
observed 730028f91d7eb3a3cdb67e007c51c1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.198802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024034/publication.md
observed 0946e1f1a4765db330993db1133a9541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.180837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024034/publication.txt
observed 2832914e3c944988dca4b187914103f1...
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.