OpenTechnical

OT-2026-000032258

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off after set-down

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-2026-000032258) never changes.

Identity and time

Publication numberOT-2026-000032258 · never reused
Internal UUID01a0ae74-f7a8-7d77-9b3c-030af06d7348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032258
StatusPUBLIC

Content hashes

Canonical textfd0c78712211bf2d703430cef837f24b969f6dd204b69cc7b5b36f4b5e25ee7b
Markdown8182424c5fa1fd4ea7617e378e99056a57591ddbf122b55ee77a5cb737ed86bf
PDF
Publication page56702ed508769788ef76f2c6766603479ca06581fc45c17f718969b778dfcb64
Manifest664caa14a0c388e2813fd060484559253f5393139ae9b5ec56d911e8cfd0c500

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
SignatureHN+gE7p8skzaU9H52xNdYzRct8fX58X62KLyxdbkWmh3+oNJbWkUin4lHAuMvwzD9RPY7nvtZU42foaU4fwgCA==
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

2026-09-17T11:34:37.051104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032258
observed 56702ed508769788ef76f2c676660347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.030155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032258/manifest.json
observed 664caa14a0c388e2813fd06048455925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.011866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032258/publication.md
observed 8182424c5fa1fd4ea7617e378e99056a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:36.993161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032258/publication.txt
observed fd0c78712211bf2d703430cef837f24b...
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.