OpenTechnical

OT-2026-000104225

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000104225) never changes.

Identity and time

Publication numberOT-2026-000104225 · never reused
Internal UUID01a0aea5-3420-7581-bc5a-0d37b4e2a41b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104225
StatusPUBLIC

Content hashes

Canonical text08f8ffc5d05407f11d7de04bf26a9a9f331b6eaff02b7f3437d71f91bbb40ac9
Markdown1b14693b34e4b598156a61ff75634e6652c2df40b172488fa0779c70f0bdad1c
PDF
Publication page71bee4aaef53241dc4a5972767585b3a8d207de203f093b5f04f1fc2e820972f
Manifest7a995b44c067e0e90881e135ec2eb7808b97ee979daf90547542b2d900c9cbc1

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
Signaturebu/VBvriw/6SKg8Rnm8XfM5eThSWNXgbxoyJO4Vq3r7T5J6n/Toya5AYlWsvVNp55qK4ScdI6zygXLh9ueWmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:19.795385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104225
observed 71bee4aaef53241dc4a5972767585b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.776979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104225/manifest.json
observed 7a995b44c067e0e90881e135ec2eb780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.759370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104225/publication.md
observed 1b14693b34e4b598156a61ff75634e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.740480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104225/publication.txt
observed 08f8ffc5d05407f11d7de04bf26a9a9f...
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.