OpenTechnical

OT-2026-000100655

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100655) never changes.

Identity and time

Publication numberOT-2026-000100655 · never reused
Internal UUID01a0aea3-66f3-788c-bfbf-19880eff960c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100655
StatusPUBLIC

Content hashes

Canonical text0e524b946e20b18c323560e4492deb764ebbfb102ef2e522e593f08d6325cb40
Markdowncdb193ba5db80e7e3c434cd3fc0ec0e3298b8f8832e0884d8911d0774a085750
PDF
Publication pagecb1307f2cfca99726b7d5e5ea3f5535077539fe1b1aea472a77ee7607294bd37
Manifest6021b8a2c44f49000c6c11dcd9115e1a1c43614003068b87ac690f800480a264

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
SignaturezxnoiPjs3EGiObZd8yGlst5YgOXlE1KzIuUL4VD419Uc4hlRPNElfJEf5xz63T49QFDFW3Ehmev41vilCA3PBg==
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

2026-09-17T09:27:27.744914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100655
observed cb1307f2cfca99726b7d5e5ea3f55350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.724137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100655/manifest.json
observed 6021b8a2c44f49000c6c11dcd9115e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.705949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100655/publication.md
observed cdb193ba5db80e7e3c434cd3fc0ec0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.687568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100655/publication.txt
observed 0e524b946e20b18c323560e4492deb76...
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.