OpenTechnical

OT-2026-000055814

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055814) never changes.

Identity and time

Publication numberOT-2026-000055814 · never reused
Internal UUID01a0ae87-0a49-7995-b056-0576682622ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055814
StatusPUBLIC

Content hashes

Canonical text7c5763437b87ca818175f93d6f62d200460697eb7ebf7e003b66ed4a0c050ecf
Markdown4bab6e5446a123ef94c58f2e1e552ff919d08d26a85c9fadaf393cd27088c8bd
PDF
Publication page25a95fad04e0c7eec7f28c81d0a40a6a874162b014a72b222fa78d4ebda4a083
Manifest1cf507b0b5d904dd61770d3784505121de846da5d74a682c61a33c43ce2d5e5c

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
SignaturevVVFpR0rD2Lckv1kBDCOVtA9XRpSPd2QrJvJbl3Q/Ek/Mq3sBsXNXCMyLrEip5SzRqlR/EHpWyWibrBJ4gtXDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:11.712459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055814
observed 25a95fad04e0c7eec7f28c81d0a40a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.694293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055814/manifest.json
observed 1cf507b0b5d904dd61770d3784505121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.677671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055814/publication.md
observed 4bab6e5446a123ef94c58f2e1e552ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.660822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055814/publication.txt
observed 7c5763437b87ca818175f93d6f62d200...
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.