OpenTechnical

OT-2026-000077829

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077829) never changes.

Identity and time

Publication numberOT-2026-000077829 · never reused
Internal UUID01a0ae95-2ed0-744f-badb-b3cf6452b37e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077829
StatusPUBLIC

Content hashes

Canonical text6f2797062f157098bb7ae818dbc217c3901ae595992d0a34bda4a857a6ce173a
Markdown4fad50f12e6b8011735ef2027495eece3f89184be85de51a6fa483ffd9ff1489
PDF
Publication page85a559e6b237dfa02b29a551fcccdffb7e939a5afee7717ad404f575a15413d3
Manifestf8a2b7c0a6c97b69494dc42f6c47a1f39e2b26d083c240caf26c30939fcbad94

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
Signature1WoArwa/iH8Aj17/jjRAvZ1FIm2a+zHZVMB3gnB6k/xslUCQ/drvm7r+2mHRPKIEDOM/PZT7H8N5WQgW+/b9BQ==
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

2026-09-17T10:07:25.547977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077829
observed 85a559e6b237dfa02b29a551fcccdffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.530362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077829/manifest.json
observed f8a2b7c0a6c97b69494dc42f6c47a1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.511697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077829/publication.md
observed 4fad50f12e6b8011735ef2027495eece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.492295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077829/publication.txt
observed 6f2797062f157098bb7ae818dbc217c3...
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.