OpenTechnical

OT-2026-000073548

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073548) never changes.

Identity and time

Publication numberOT-2026-000073548 · never reused
Internal UUID01a0ae92-efb9-79f6-95d0-da4d0694c696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073548
StatusPUBLIC

Content hashes

Canonical textb1757c02f0d3037142910d38c5e05c2c26aa87785bf12a398b386344e2a1b53b
Markdownbc5340d6d45065e493f28d2fb641a4e016812e1bf858ead2f8554835ae117975
PDF
Publication page084515800190f5bf595f05692556613f65255e2d2d6c24b50352f4894b5b593f
Manifestea006fe2a93f6d7f9440066c5bce2f93c20ec41a9fcbfc4c90db34e342b2688a

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
SignatureikRDU8QXP3jwXn8F3ril3tc1qqoj6JghkDw+rfESVh0fnNS+HMnbJqtvr/nQPcxyou5kuEyfnUgyxKE0eQybDw==
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

2026-09-17T10:21:17.406738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073548
observed 084515800190f5bf595f05692556613f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.388638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073548/manifest.json
observed ea006fe2a93f6d7f9440066c5bce2f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.362674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073548/publication.md
observed bc5340d6d45065e493f28d2fb641a4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:17.334596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073548/publication.txt
observed b1757c02f0d3037142910d38c5e05c2c...
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.