OpenTechnical

OT-2026-000045157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000045157) never changes.

Identity and time

Publication numberOT-2026-000045157 · never reused
Internal UUID01a0ae7c-f769-79df-8435-6c6498808aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045157
StatusPUBLIC

Content hashes

Canonical text56e9cc32d5a61662a19167f6c5d167f32546419f70ed071728b6450b588a186c
Markdownde578f7750ff7622b534e17f69b44b0014916021b0f5fb3ec178b79eb7666718
PDF
Publication paged16f8126c863a574e4356ddda71275ead4b6d02f0667578566482ea4219c3d0f
Manifestd076cbd6c8792cffa55c0e7d594ca5091f4aa8aea517209c8d6ddbd47a0a0383

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
SignaturetOIn1/qmjW2EPkRT4RX9A56P7q1hp/6t1Q/7Kp52zcaFkhEhnJNPMIiwFfqBzsELGDFczklNqbkRQ1xenbWiCA==
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

2026-09-17T11:10:18.879555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045157
observed d16f8126c863a574e4356ddda71275ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.858725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045157/manifest.json
observed d076cbd6c8792cffa55c0e7d594ca509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.835288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045157/publication.md
observed de578f7750ff7622b534e17f69b44b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.815507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045157/publication.txt
observed 56e9cc32d5a61662a19167f6c5d167f3...
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.