OpenTechnical

OT-2026-000102194

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102194) never changes.

Identity and time

Publication numberOT-2026-000102194 · never reused
Internal UUID01a0aea4-50f3-7dd4-8515-180b7a5037ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102194
StatusPUBLIC

Content hashes

Canonical texta82bd4ac81e54e68874b6b50c754c6c7c009fc12e11761ce40986b4ce458ec16
Markdown66140b32d798474674edb94986126ba7465ef6a56f51485c65a1d59589baed8b
PDF
Publication pagef941a004cc3da96c8c5801848b0e7e985fffa97e8fb0e62b2897c48680d5694f
Manifest259557748163f58a46b9073e3341a99c11a491e4989ebc1521383c733cd08379

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
SignatureF9t31y+RI+zPpiSrIxO4MhtbuGYyfdkwN0LKF2fmXZwmq8UmeajHQssac+pmVccQu000SCVW9032FEwTH2y2Cw==
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

2026-09-17T09:25:22.057588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102194
observed f941a004cc3da96c8c5801848b0e7e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.041204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102194/manifest.json
observed 259557748163f58a46b9073e3341a99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.023412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102194/publication.md
observed 66140b32d798474674edb94986126ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.007061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102194/publication.txt
observed a82bd4ac81e54e68874b6b50c754c6c7...
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.