OpenTechnical

OT-2026-000100149

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100149) never changes.

Identity and time

Publication numberOT-2026-000100149 · never reused
Internal UUID01a0aea3-3052-738d-a871-fed4c6a2a86f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100149
StatusPUBLIC

Content hashes

Canonical text6e7da43dc82acf4d07bfbb6cc106c72d1dd9b5e54c28ec69c9f7401dfc4975b3
Markdown90570d1de1582e17ab9a12f0f026b590b457d1d774d8201fc9de60b1a4fbde71
PDF
Publication page4c0d3662632cce80942cbe6181de0b7b2b3c0257d4ed5bc88382efb6d53ca191
Manifestacddea3aa1a2cf7ad897764b08dfc6cf73ea8e606466771255519ad5405b6cfd

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
SignaturexyfKPYNgUwJ3XU02ebQnocgXb/iSaUVXs+OOoSiggEc6WIIvwW8eyL5q8FESxnRVZldjCZGf0Mg05f3WB9pnDA==
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

2026-09-17T09:27:51.232865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100149
observed 4c0d3662632cce80942cbe6181de0b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.215028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100149/manifest.json
observed acddea3aa1a2cf7ad897764b08dfc6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.195262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100149/publication.md
observed 90570d1de1582e17ab9a12f0f026b590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.174778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100149/publication.txt
observed 6e7da43dc82acf4d07bfbb6cc106c72d...
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.