OpenTechnical

OT-2026-000027929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000027929) never changes.

Identity and time

Publication numberOT-2026-000027929 · never reused
Internal UUID01a0ae72-a4a5-7ff7-abd6-b5bd542b3065 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027929
StatusPUBLIC

Content hashes

Canonical texte1bdc52eaa5ad8fb0e1a18aa2a88364d703e63c3cec8daf2ea59c732532df4ea
Markdown78cad25962fcef197d0ae623777c29ed789d0999d40096b8adac0b4e08621d5e
PDF
Publication page6fb8f7607ab2c45faded565cd642c40051a0d9e211ed4d03727511d6f56649c4
Manifest1ff846e75df63fa591465d0ed6e781125bfc5e417f204c81d0c327b83875f88e

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
SignatureelChbLHfMumKOWM4+K8ETYOJSPvYuHkwBBFkRhatsAQiwY7P79p2iga8yfVNSxq95smuzV3eq5X1mks7LKeyBA==
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

2026-09-17T11:42:06.454378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027929
observed 6fb8f7607ab2c45faded565cd642c400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.432754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027929/manifest.json
observed 1ff846e75df63fa591465d0ed6e78112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.414756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027929/publication.md
observed 78cad25962fcef197d0ae623777c29ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.398667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027929/publication.txt
observed e1bdc52eaa5ad8fb0e1a18aa2a88364d...
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.