OpenTechnical

OT-2026-000056839

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000056839) never changes.

Identity and time

Publication numberOT-2026-000056839 · never reused
Internal UUID01a0ae87-7af8-7a9c-ad73-4eb95acc1f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056839
StatusPUBLIC

Content hashes

Canonical textf318063405bf25481159d3f0081a4e97f7de5005c2ae1c3dfca876a20bd6a5d1
Markdownac634b5007aea73d22e5ca9b413e4df799f5e99eca9426124629097c0a3eb9d2
PDF
Publication page5e1fe2c395a05978b245ae2acfb2c8693008564654a24aa014ec75b913555b06
Manifest33d5a0da87f88638c04bab7b589ca5578c76fdf14f572a5eb651030840c1f145

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
Signaturex7+8eAWEvVmjSRuBhC7mcF0/px4LHs9FrYCMV72T2QdoO7BAKehobLJqbOk360GicLCwZ0bAZusG4UsXX4NoCg==
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

2026-09-17T10:50:20.184289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056839
observed 5e1fe2c395a05978b245ae2acfb2c869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.164845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056839/manifest.json
observed 33d5a0da87f88638c04bab7b589ca557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.133951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056839/publication.md
observed ac634b5007aea73d22e5ca9b413e4df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.107435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056839/publication.txt
observed f318063405bf25481159d3f0081a4e97...
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.