OpenTechnical

OT-2026-000102446

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000102446) never changes.

Identity and time

Publication numberOT-2026-000102446 · never reused
Internal UUID01a0aea4-8589-7f01-a968-cce951828473 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102446
StatusPUBLIC

Content hashes

Canonical text2f0fc5ec5a0d664424c791af74568abe41cb760acef2381ea337eb68074050cf
Markdown434e03ccc4932fb7ff149838067525477a9767cba79b2d82edd9729950e54151
PDF
Publication page2394ca12df71b9ad863e7e4ffacfe4ba903d8236c49c78270c5ad13ddcfa46aa
Manifest83d04239ca802203d2b9135e115c065a2c6a2c6ece7a682ee88339ccb19fc1be

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
SignatureRXNcqzUQ1d36+dFvc148g+1+GWK88SI4iO2F+Wa0KiZGRhTrnrjJcttcJpkpNum7RscxNYLFz3gyy0QAUWn2AQ==
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

2026-09-17T09:23:47.676578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102446
observed 2394ca12df71b9ad863e7e4ffacfe4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.656832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102446/manifest.json
observed 83d04239ca802203d2b9135e115c065a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.637855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102446/publication.md
observed 434e03ccc4932fb7ff14983806752547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.620238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102446/publication.txt
observed 2f0fc5ec5a0d664424c791af74568abe...
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.