OpenTechnical

OT-2026-000070815

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070815) never changes.

Identity and time

Publication numberOT-2026-000070815 · never reused
Internal UUID01a0ae91-8c2d-72a8-9860-aa6ae79933a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070815
StatusPUBLIC

Content hashes

Canonical text5e0e65a73c85b8e16b0e5345efde984d974b28fa0e8337527636b88b89bd47be
Markdown48d595d4333c4dbbd0af480d44141747ce025e79e0ca6f8ff6266bf757889055
PDF
Publication page2e1b003a1cdabc90d26f9ed5a7870ffb0bcb56d66d7962ba38c52de197278f6b
Manifest7a155b4bbe3d79c0457bec253402756f0858e73492cd71a1a5c0b9543c9c1e26

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
Signature5q4KZKZWMIEmjW/jAiZHGR/QK9Wqv8tMoZ0vFIYPV4tUDkvo8Kpv+zn8JF7ekNMiDu8/WrsMnU9461/FwDFDAA==
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

2026-09-17T10:25:37.477709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070815
observed 2e1b003a1cdabc90d26f9ed5a7870ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.460849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070815/manifest.json
observed 7a155b4bbe3d79c0457bec253402756f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.441275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070815/publication.md
observed 48d595d4333c4dbbd0af480d44141747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.420522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070815/publication.txt
observed 5e0e65a73c85b8e16b0e5345efde984d...
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.