OpenTechnical

OT-2026-000057785

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000057785) never changes.

Identity and time

Publication numberOT-2026-000057785 · never reused
Internal UUID01a0ae88-6ed7-7f53-8b50-54f9e8d3bfb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057785
StatusPUBLIC

Content hashes

Canonical text0e4b64b8228715a5608e9cbd83f74deeda42fa00006ffe232562b642e685b133
Markdown22927ab65671d1360f051257ffe0b67a3bacc51e375592414046aea9286e211f
PDF
Publication page199cfc1ffc7bbe3776d84770501646864f4acbcbc7d09e61000166945afcbb3e
Manifest884d79ffaee11143403922a8144b99a21ecff7530f6c6b6e6bec6aead3538e2a

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
SignatureNduCY+l7483N5EZ1cFXTJs/4tTzba+tahlcEid/YkvnGJmSy/F9nBNCqqdtuByr7v2BDa23vhZpuzocSoCizCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:20.545029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057785
observed 199cfc1ffc7bbe3776d8477050164686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.525931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057785/manifest.json
observed 884d79ffaee11143403922a8144b99a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.508732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057785/publication.md
observed 22927ab65671d1360f051257ffe0b67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.488596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057785/publication.txt
observed 0e4b64b8228715a5608e9cbd83f74dee...
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.