OpenTechnical

OT-2026-000073671

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073671) never changes.

Identity and time

Publication numberOT-2026-000073671 · never reused
Internal UUID01a0ae93-2b8c-75c6-abaa-c72a391de9d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073671
StatusPUBLIC

Content hashes

Canonical text3ac4c0455e24414b1650c600879b538de663e34bb8deb33d29c45373fdd76492
Markdown64bb50892900090055a0c2542074fc6128516edd977f75137c45b305e7e130fa
PDF
Publication pagecd1232ee536f639636b156571933b8885a5fc843d478e77e96911704b748156d
Manifest962cd6e7fce3d365e9fd1445ca729e18f5b882b3cec3dccdfc935cc7aeaaf4e6

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
SignatureunXRqEp6Xn/vR5fxpe32p/VtPDQTegXaxi6P5vGD8N5L5qFg1WSe+n66wKOV1ohAViZMSKEyYa1FmXE8kHu5Aw==
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

2026-09-17T10:19:43.650356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073671
observed cd1232ee536f639636b156571933b888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.631710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073671/manifest.json
observed 962cd6e7fce3d365e9fd1445ca729e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.612943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073671/publication.md
observed 64bb50892900090055a0c2542074fc61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.593407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073671/publication.txt
observed 3ac4c0455e24414b1650c600879b538d...
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.