OpenTechnical

OT-2026-000039015

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000039015) never changes.

Identity and time

Publication numberOT-2026-000039015 · never reused
Internal UUID01a0ae78-9672-70ec-bd0f-a83eab28fc77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039015
StatusPUBLIC

Content hashes

Canonical text865f62e7e94f7a0e69ed782358f2bb79b29bb18fa7d34f4f236bd29746bc2997
Markdowna39a0d3f75903d88accd9b59449f4d6f693ea78e51445cea4b69eff9eede68ca
PDF
Publication page115eecc552fe51d1e0a1a5a456a00c8fecd08775073db165c270381be7f7b12d
Manifestc2ed10dad139d885c7f36854775df4a49566391151712994a7b0ccaf4ae909aa

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
SignatureP9rlfgwF3EJN+jHCdUeFpBpsPTaJStkBrmq5EkotUNpPwknhe5PBPu+BOey14WP/pe3JR6dk4jbGjRLrJiFhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:21.546562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039015
observed 115eecc552fe51d1e0a1a5a456a00c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.528919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039015/manifest.json
observed c2ed10dad139d885c7f36854775df4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.513117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039015/publication.md
observed a39a0d3f75903d88accd9b59449f4d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.496510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039015/publication.txt
observed 865f62e7e94f7a0e69ed782358f2bb79...
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.