OpenTechnical

OT-2026-000080311

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000080311) never changes.

Identity and time

Publication numberOT-2026-000080311 · never reused
Internal UUID01a0ae96-7e77-7d23-8bde-e7d8bae9621e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080311
StatusPUBLIC

Content hashes

Canonical textbe5f826870c6a875893d3622992baa177b772e65300ee9341d7ed3034f07a46f
Markdownf5895e918d193a9e3643e9d2c2f98df0eab0de9772016c180e8677b8f89dbea3
PDF
Publication page72902af8de2f8806c03740585b31cc486e5ec7989a4e738030ca18ef01518c04
Manifestc650a1c7b32374068633ccde3293aa720b6d951a306e808159520adc3d03aec7

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
SignaturePQnBe2AzM/0zQKH94CqXFwS8HmX5HD6TDv2TYqKy627HGvEQoI4sZGCtCGC3JKF2jglavpMVe+bV3BcdvYqVDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:46.809806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080311
observed 72902af8de2f8806c03740585b31cc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.789520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080311/manifest.json
observed c650a1c7b32374068633ccde3293aa72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.769274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080311/publication.md
observed f5895e918d193a9e3643e9d2c2f98df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.748451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080311/publication.txt
observed be5f826870c6a875893d3622992baa17...
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.