OpenTechnical

OT-2026-000103144

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103144) never changes.

Identity and time

Publication numberOT-2026-000103144 · never reused
Internal UUID01a0aea4-be3e-73e9-8bf9-fadd330a09f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103144
StatusPUBLIC

Content hashes

Canonical textc045c26472dd5553f75e60e6db92186e37aff94d281360e30922bf25bf2fda8d
Markdown83359165a7589bca3fbd9cd55053bd302e608a898d6cb460f712d9781b12174b
PDF
Publication pageab2215b0413cfd3e2b4e3b3c8caa1d976b333eb0f47a3cb96f66f4914c38e09b
Manifest84f38738e2d77155793a97dc68658bcc3dc728e44b45e1b1f9911db2b40387d6

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
SignatureSAJ9KxQo+K/tIeNO7q5StIsBt8tOwPQmuchgUT1sp8J3O+T6sPzLmI73eeJiRoJFoesOT17MhNe2Sttr8EKeBQ==
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

2026-09-17T09:23:21.157715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103144
observed ab2215b0413cfd3e2b4e3b3c8caa1d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.138184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103144/manifest.json
observed 84f38738e2d77155793a97dc68658bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.120077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103144/publication.md
observed 83359165a7589bca3fbd9cd55053bd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.103522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103144/publication.txt
observed c045c26472dd5553f75e60e6db92186e...
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.