OpenTechnical

OT-2026-000045603

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045603) never changes.

Identity and time

Publication numberOT-2026-000045603 · never reused
Internal UUID01a0ae7d-8f03-7a65-b6cd-85e2c95b057f · 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-2026-000045603
StatusPUBLIC

Content hashes

Canonical textcb592ee0ee279cd460ca8caf563af1bbcdd935f275bf2f3bef3c02a28243d752
Markdown32d5aa3c21412e8ec3615bd14717e9522415884e5997083a832a0495d2b728f4
PDF
Publication page470d0077f247f2b034cfd901efc4f42137ddb0b7dcd22e5b05e4be4df46b4b15
Manifest2d01395699ff63f6852feb63a3abc0d915d481a99d13675b327b45f93479f66f

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
SignatureBGZgilRwT3t0wxqb8UEahu78H44mQyFe/G/GJ8bHQWUWLV2zIOac96UjsKLi4y3HagCGrEG4VYoty4g1Q7DXAg==
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

2026-09-17T11:09:22.677749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045603
observed 470d0077f247f2b034cfd901efc4f421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.659742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045603/manifest.json
observed 2d01395699ff63f6852feb63a3abc0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.640221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045603/publication.md
observed 32d5aa3c21412e8ec3615bd14717e952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:22.620956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045603/publication.txt
observed cb592ee0ee279cd460ca8caf563af1bb...
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.