OpenTechnical

OT-2026-000026311

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000026311) never changes.

Identity and time

Publication numberOT-2026-000026311 · never reused
Internal UUID01a0ae71-f4a6-79cb-9540-5d0d1c8eb301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026311
StatusPUBLIC

Content hashes

Canonical textc4727c7e390045a66f93f08e15e214f44b54f9583eea8bdb1ed4116e56e09980
Markdown5eac53c6f684d074b3fe824ce214be55656b7c67901d181eafe79f5e072b904d
PDF
Publication page2142443e2f1a4a2fe0f72bfd741ac72f8ed5a7fc336ebbe403d5f3935cfc363b
Manifest9d6160370fff21563f70df4b824341699fd47aacd234122529a0cf9ef309d1f8

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
SignaturemKaybVhLf8qnSiEkR8KRY5EAD3g9UhcMNJ9/ayL08Egxn5yC08uRIwmvI6SGUh7iJAKleJyzqnyiGCGpE3j8Aw==
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

2026-09-17T11:44:15.868061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026311
observed 2142443e2f1a4a2fe0f72bfd741ac72f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.852835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026311/manifest.json
observed 9d6160370fff21563f70df4b82434169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.828387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026311/publication.md
observed 5eac53c6f684d074b3fe824ce214be55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.807908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026311/publication.txt
observed c4727c7e390045a66f93f08e15e214f4...
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.