OpenTechnical

OT-2026-000077061

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000077061) never changes.

Identity and time

Publication numberOT-2026-000077061 · never reused
Internal UUID01a0ae94-f507-77b8-9bfe-a8c7d0c264e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077061
StatusPUBLIC

Content hashes

Canonical text1968b218f94021dcdb3ddf4d7b4f4c11e7e62bcc84e3d1a8a47e6c62146c3e4d
Markdownff401508477e99d93551df6b0b49f0435bf6f3db24e66a96841652ec981e986b
PDF
Publication page3b86043a2b834663a871ae630cd47b1f35e78ed0d7451a1362f55fb7bda07996
Manifest6e3f81a7fee0fb44cf17720deba57607b7692f4557c9f12d74376c4274257d84

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
SignatureJ0WcohVyvOEddpwU6jtxuJ0saBxQGFjpUyUxXkkl/EReXtqorEJgY3kxb5nXVdORSc2oNBQIidysUJbhr2PQAg==
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

2026-09-17T10:11:22.732211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061
observed 3b86043a2b834663a871ae630cd47b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.709886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061/manifest.json
observed 6e3f81a7fee0fb44cf17720deba57607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.688929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061/publication.md
observed ff401508477e99d93551df6b0b49f043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.295653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061/publication.txt
observed 1968b218f94021dcdb3ddf4d7b4f4c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.665356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061
observed 3b86043a2b834663a871ae630cd47b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.647900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061/manifest.json
observed 6e3f81a7fee0fb44cf17720deba57607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.629603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061/publication.md
observed ff401508477e99d93551df6b0b49f043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.612269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077061/publication.txt
observed 1968b218f94021dcdb3ddf4d7b4f4c11...
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.