OpenTechnical

OT-2026-000008989

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000008989) never changes.

Identity and time

Publication numberOT-2026-000008989 · never reused
Internal UUID01a0ae6b-31b8-779a-bd96-f1708112cbd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008989
StatusPUBLIC

Content hashes

Canonical textde5cc3240201508936cf7051b30fb2003bb0cc10d4a4151cc65716948ccc30a5
Markdown46a52487f49ca6220266b184c106533865f6f3e69d3d2472030a12f0c96c403a
PDF
Publication page2f1cfb11d58356e7585dc8f5dd4fc5d418ef12cca6a029195a6ba45866a62a52
Manifeste501ffc65ecdf8e8201a38d19ef3b66f5fad581611608dc97f669b29aa6b10eb

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
Signaturevl0xhjER3zTvrH4MeHbQYyPDoo07n4ldsF9bfO5boThKgBStp3/zQf15ZZZb+RIZABNg0C3E0fQ0Kqyp7cg8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.975460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008989
observed 2f1cfb11d58356e7585dc8f5dd4fc5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.955819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008989/manifest.json
observed e501ffc65ecdf8e8201a38d19ef3b66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.935178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008989/publication.md
observed 46a52487f49ca6220266b184c1065338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.914153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008989/publication.txt
observed de5cc3240201508936cf7051b30fb200...
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.