OpenTechnical

OT-2026-000102892

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000102892) never changes.

Identity and time

Publication numberOT-2026-000102892 · never reused
Internal UUID01a0aea4-be3c-7233-a3db-71bbac00384c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102892
StatusPUBLIC

Content hashes

Canonical text67ba18cf1c9fdd88954a10de0f13a06c7162b35a51e875504f564913e768eada
Markdown9144299fb2d3e615dd10fa198161e8fdaf6acd1d3c2fd85841686ff1c5907200
PDF
Publication pageaafb62a543789ea5c247101e3ffb1f1a18f84fd4030bde576d2c121c9498cf65
Manifest2453562c2ac36745d7101ee49def08cfe26dab5a15fd9aaaf6064253127aeb92

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
SignatureRm8BcFuvG7/X2hRZs8yFUg0kuicXYgfKkiQc97/HIC4JwwhXRFRI/O3wGRba20+YQ5jmm1I5gzBCYG68Jc8TBA==
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

2026-09-17T09:22:54.191760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102892
observed aafb62a543789ea5c247101e3ffb1f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.174195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102892/manifest.json
observed 2453562c2ac36745d7101ee49def08cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.158588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102892/publication.md
observed 9144299fb2d3e615dd10fa198161e8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:54.141230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102892/publication.txt
observed 67ba18cf1c9fdd88954a10de0f13a06c...
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.