OpenTechnical

OT-2026-000079257

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000079257) never changes.

Identity and time

Publication numberOT-2026-000079257 · never reused
Internal UUID01a0ae96-0b90-7410-a560-d4cb18325a22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079257
StatusPUBLIC

Content hashes

Canonical textd0701e38ffb4ff930d1f62b1fd1abb79421da40d4d032ef5bcdcbb0f8e5be90e
Markdownb0649a35a57007b3c6ac940331e5e1c92f0423d1d5dc8987ae7e697401c9e0c2
PDF
Publication page82bac16187bda722e447275972a7da5996d80f832b445d111096367d9c07b7bb
Manifestafb4a787acace1602c6c0673df04eabaeac0e09f3cabe9e84f75845274ad17e4

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
SignatureVi3zjDGj9rzLBkw+26MX91sMP46nMwMaMGBS3ZOaWj+L06trujwRpFWq1re0+wAefJTLhIMUpaTACUArMZ02BA==
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

2026-09-17T10:04:51.091151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079257
observed 82bac16187bda722e447275972a7da59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.073530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079257/manifest.json
observed afb4a787acace1602c6c0673df04eaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.056947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079257/publication.md
observed b0649a35a57007b3c6ac940331e5e1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.037979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079257/publication.txt
observed d0701e38ffb4ff930d1f62b1fd1abb79...
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.