OpenTechnical

OT-2026-000033418

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000033418) never changes.

Identity and time

Publication numberOT-2026-000033418 · never reused
Internal UUID01a0ae75-8980-7fb5-9f68-227815d2048c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033418
StatusPUBLIC

Content hashes

Canonical textac90ef1972b96ec72b02f822c5e8e084ccc1b4617e18ccabdec1dde706136e2b
Markdownec400a15770751fcc3bf7c414a52900ab3f19fd7bd5be10288952e70223e48e1
PDF
Publication page85a6ec77c771ae82c4da79493d177cf366bdc9d38c88db632b22393acde9bf79
Manifestd462f8cd82912ad6206f53a50ab3fde22f2cbc9e28a5324dbaefd19c2c8fa071

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
Signature2dnt9yyBjL3Hly1Y8krSYmMotfWZ84sEC9vQ2wjVJx15fKn5+RvAjyFc8sv+I+V4BMlW0erHksGb/ui/HOuxBA==
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

2026-09-17T11:32:12.201572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033418
observed 85a6ec77c771ae82c4da79493d177cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.182548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033418/manifest.json
observed d462f8cd82912ad6206f53a50ab3fde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.165873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033418/publication.md
observed ec400a15770751fcc3bf7c414a52900a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.145484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033418/publication.txt
observed ac90ef1972b96ec72b02f822c5e8e084...
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.