OpenTechnical

OT-2026-000068414

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000068414) never changes.

Identity and time

Publication numberOT-2026-000068414 · never reused
Internal UUID01a0ae90-2481-7f2c-9fe4-142c4ea9eb1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068414
StatusPUBLIC

Content hashes

Canonical text11af80af30f486d6a0031e063cf1410ec521855a15e7bad23bfdb85596429b51
Markdown09c6b037ceab78d6de10562192b09d458faa845bd334372d30216e773ae8a424
PDF
Publication page5e2ad053d8327fb7333108bfa63556257a8eff8442558170cfe1c201fcc9c7d8
Manifest4d584603f09f55970dfbe3fc52da1573f6675854f440e68f4133f7b59422a9e9

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
Signature9jr3jAG+wPlhKcHNmvDFgzyy8R92IsmxKB4ncLnlTjeIKGo66oeDVgKOMAs0/Z7w3T4QNc8hMpnhQ00kSsS4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:32.915422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068414
observed 5e2ad053d8327fb7333108bfa6355625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.898153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068414/manifest.json
observed 4d584603f09f55970dfbe3fc52da1573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.880460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068414/publication.md
observed 09c6b037ceab78d6de10562192b09d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.862426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068414/publication.txt
observed 11af80af30f486d6a0031e063cf1410e...
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.