OpenTechnical

OT-2026-000032531

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single 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-2026-000032531) never changes.

Identity and time

Publication numberOT-2026-000032531 · never reused
Internal UUID01a0ae75-106f-7529-ade2-1290b279c85e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032531
StatusPUBLIC

Content hashes

Canonical textbd39fe90e1e319b5b51d83a40c9ee0913fa531fe57979bac2713294a478c87d9
Markdown3e97b718ccabfcd028e64bab6ede4310002e7a55cd261b177cc3194949027238
PDF
Publication pageafb1b301b0084239719bb47095609b2dfb132f7a4a8e5d953944200478801957
Manifestbc83e9883c9c1339e1741e8f642714b8a25bfa4cb87dd41b0e7a81a7d41f052d

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
SignatureFhrFP/vbRAboVCkY09rVTSmUqPSQSRCNenQ28fLkNrzEcWYmweNtBvyDunPViOyW2Hxx4HXclTWYWuOwVphVDQ==
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

2026-09-17T11:34:05.447325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032531
observed afb1b301b0084239719bb47095609b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.430636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032531/manifest.json
observed bc83e9883c9c1339e1741e8f642714b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.411453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032531/publication.md
observed 3e97b718ccabfcd028e64bab6ede4310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.391327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032531/publication.txt
observed bd39fe90e1e319b5b51d83a40c9ee091...
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.