OpenTechnical

OT-2026-000045535

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045535) never changes.

Identity and time

Publication numberOT-2026-000045535 · never reused
Internal UUID01a0ae7d-8f01-77ea-9d83-6977329ee31a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045535
StatusPUBLIC

Content hashes

Canonical texta38bb04bfe54155679a6d5c2cb369999e266166938615106e4ecc5129dacbe6e
Markdownae0595c4e92c262b6cc0df73014809e1f37ad73ffeefe1c3a7c29bdfddf5f4ed
PDF
Publication page6f9ac9ae8575eaf56ab45a094641e249401aa3297de331827877c3c4cbd89604
Manifestf1f8097314d2e36cdb507cccecbccc4905f1a484335aa6a3941f701e683dc322

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
SignatureJVJk76W7F/r/UMYHAnoamaRG/APKoSTB3O3hQy6txz0j3knrEJedAoBgUHNkT0x8veoRnIumPDnkceX0IQ+NAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:16.936611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045535
observed 6f9ac9ae8575eaf56ab45a094641e249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.919763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045535/manifest.json
observed f1f8097314d2e36cdb507cccecbccc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.901790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045535/publication.md
observed ae0595c4e92c262b6cc0df73014809e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.880804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045535/publication.txt
observed a38bb04bfe54155679a6d5c2cb369999...
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.