OpenTechnical

OT-2026-000072809

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000072809) never changes.

Identity and time

Publication numberOT-2026-000072809 · never reused
Internal UUID01a0ae92-89da-7068-b4b2-f5982debc373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072809
StatusPUBLIC

Content hashes

Canonical text97b9833fda466748d874b11a9c2baacc8ca68caed1ed719ebcdb28bf7b7feb0f
Markdown43619edb836ca97062422335c3e17eeaf50ba32ee7bf7c820d55a76b7b54388d
PDF
Publication page7bb6796d964173a7164c1706cc36905c2cc0539b389108baca5eb4c5383cc93f
Manifest1b1999e93ae9b172b81c3fcceb78ef866c380a2e1d93823eed3f3db67a00d9c4

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
SignaturePPmnQf8EkhNWhgVwHdMEiCokhVsg17wj7+xtJKx2l+4aRfQkhR2m8E9o1XUtEB01w0y4R1nh6SeuaNzr7F/nCA==
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

2026-09-17T10:22:43.434514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072809
observed 7bb6796d964173a7164c1706cc36905c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.417881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072809/manifest.json
observed 1b1999e93ae9b172b81c3fcceb78ef86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.393182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072809/publication.md
observed 43619edb836ca97062422335c3e17eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.366521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072809/publication.txt
observed 97b9833fda466748d874b11a9c2baacc...
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.