OpenTechnical

OT-2026-000079615

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000079615) never changes.

Identity and time

Publication numberOT-2026-000079615 · never reused
Internal UUID01a0ae96-0b92-7afd-b549-54d9e7410072 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079615
StatusPUBLIC

Content hashes

Canonical text703d09a01a49d2a3ebd586d5e1060af2c03cd49a216a68f3a47b8ab39b2af875
Markdowncf0b0dd4eb0f503b45055d4b8fc1e9addca6aa432bb048af8e82498f7d6fbaf8
PDF
Publication pagea2d413954d1f57a4d0abc0e5b179a0d35da64b8d379265c89d211dd22686cb7f
Manifestc95f02b19e023fd49689f468ef8f1b2084583fbcc31d5bd1c46458e62e8b2e3b

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
SignatureqbwquFiiTDXiiTina0AI+M5CgrJOR7Psqsc2h5yyeN5xyt3V12CiTsjKvXW11FLCh1z7l9C/vk7RWE13BQjcDw==
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

2026-09-17T10:05:16.599001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079615
observed a2d413954d1f57a4d0abc0e5b179a0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.579873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079615/manifest.json
observed c95f02b19e023fd49689f468ef8f1b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.561219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079615/publication.md
observed cf0b0dd4eb0f503b45055d4b8fc1e9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.541499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079615/publication.txt
observed 703d09a01a49d2a3ebd586d5e1060af2...
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.