OpenTechnical

OT-2026-000027708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000027708) never changes.

Identity and time

Publication numberOT-2026-000027708 · never reused
Internal UUID01a0ae72-699a-7357-86fb-234209c532e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027708
StatusPUBLIC

Content hashes

Canonical texta0ecf97332e8ce49e17c161faaf45e8bfd07cb9f3a5792f46f54ffe801dfa256
Markdownf31cf090118f76637aff91e9f15a02a8aea6f08861482a54db84df28ff7a4afc
PDF
Publication paged4e722d41e9d06fe718bc08a65b0359ad0682cc854891c97a303a3297626f092
Manifest54867721ed893d2ecc32dad20674580a211950f05203b20fc058684385bd977a

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
SignatureZec1ep5yIt+/8ZF25Lh/vE9cc3qr1gh5PFllX2MPc+6UTz4fkhrgBGj+iLd4khqUxQ29F57vRdSqTJgmvxwJDw==
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

2026-09-17T11:43:15.654248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027708
observed d4e722d41e9d06fe718bc08a65b0359a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.634249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027708/manifest.json
observed 54867721ed893d2ecc32dad20674580a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.616479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027708/publication.md
observed f31cf090118f76637aff91e9f15a02a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.598999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027708/publication.txt
observed a0ecf97332e8ce49e17c161faaf45e8b...
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.