OpenTechnical

OT-2026-000034387

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000034387) never changes.

Identity and time

Publication numberOT-2026-000034387 · never reused
Internal UUID01a0ae75-df0e-7cf7-8727-bd5f39c5a2fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034387
StatusPUBLIC

Content hashes

Canonical text2b896418e245a1b73d096560f41970aa25375b6f38e97d6ab958017f6709917c
Markdownb89fb2e215555099dc3cba9a2ab64976cb3b1d0dc0d1b5fb039e2f2a1db9b00e
PDF
Publication page14644a64065b80e13045e032ce644db51df44c951380b309ec2fe4536aa66f6e
Manifestc74890d8c1a005d788793cf070b11f83e84bf6afdfc479c3fe77cdd7edcfb2aa

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
SignatureD6mPY7AR0azXnXe4II9iqYI6+1L5M46v0GFAtWNFWgvD9UZs3khsWQcJEZZ+gk4smWnqhMoU0mWOseRUoHuWBA==
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

2026-09-17T11:31:06.025594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034387
observed 14644a64065b80e13045e032ce644db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.008947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034387/manifest.json
observed c74890d8c1a005d788793cf070b11f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.992575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034387/publication.md
observed b89fb2e215555099dc3cba9a2ab64976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:05.975050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034387/publication.txt
observed 2b896418e245a1b73d096560f41970aa...
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.