OpenTechnical

OT-2026-000062917

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000062917) never changes.

Identity and time

Publication numberOT-2026-000062917 · never reused
Internal UUID01a0ae8c-94a8-78e4-9dcc-fd6c419ab6d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062917
StatusPUBLIC

Content hashes

Canonical text1f782e154ba2038b1c18eaa07fb0b653495ceae47216fee7387fa52f54db63b4
Markdownd81a4949eb289f8008fddf6e6b07b9b422f20eabf386ad638ad72ce31efe717f
PDF
Publication pageb2eb65c2c5440f7118ca74bb66337685c18c0c33d3ec6cfa6419f7073765c32c
Manifestfc0a7e07afc5683f3d9e562ef5ca2633cf340fe73e4df397c57b488f5ca54ec7

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
Signaturegh/Qljv1nFypapRGB9yGyod86CdxPn/vrE7RbRXTQHc9ObzXbVUnvJodW3Z/ATzh563FJb3VCoQBR5jfZrhiAw==
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

2026-09-17T10:40:17.747449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917
observed b2eb65c2c5440f7118ca74bb66337685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.730672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917/manifest.json
observed fc0a7e07afc5683f3d9e562ef5ca2633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.711074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917/publication.md
observed d81a4949eb289f8008fddf6e6b07b9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.692804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917/publication.txt
observed 1f782e154ba2038b1c18eaa07fb0b653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.201753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917
observed b2eb65c2c5440f7118ca74bb66337685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.185026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917/manifest.json
observed fc0a7e07afc5683f3d9e562ef5ca2633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.168744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917/publication.md
observed d81a4949eb289f8008fddf6e6b07b9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.151125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062917/publication.txt
observed 1f782e154ba2038b1c18eaa07fb0b653...
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.