OpenTechnical

OT-2026-000018813

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018813) never changes.

Identity and time

Publication numberOT-2026-000018813 · never reused
Internal UUID01a0ae6e-d521-7b03-a869-7d50523689c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018813
StatusPUBLIC

Content hashes

Canonical textacf4beee903b86d31bd654554b43d3cba6f4c8c8b6ef4d1b0063e715e9654872
Markdownaf968cf005f2b46fc5e1c0f2a08cd3915324c4377b600be147aba8be4d85f73d
PDF
Publication pagecc61c7a728ac949be21c5fe91d4e1cf3158cb6427ea2a95be98e58bbc87e9937
Manifest0ff753be4e9ab5da6236fe2e4e40c779e476a1d7f698a23e55b245303447e24b

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
SignatureAVJewVFR/HPuKrc/M6aOAhrww1IEj+SDCBF0pAi6Hs5RUw02MIrJWATIZuh2KssdhbozTahQ3/DEsQ99sCSjDw==
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

2026-09-17T11:59:26.627413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018813
observed cc61c7a728ac949be21c5fe91d4e1cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.609580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018813/manifest.json
observed 0ff753be4e9ab5da6236fe2e4e40c779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.591738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018813/publication.md
observed af968cf005f2b46fc5e1c0f2a08cd391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.572349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018813/publication.txt
observed acf4beee903b86d31bd654554b43d3cb...
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.