OpenTechnical

OT-2026-000053740

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053740) never changes.

Identity and time

Publication numberOT-2026-000053740 · never reused
Internal UUID01a0ae85-735d-797f-88e8-490660dfe637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053740
StatusPUBLIC

Content hashes

Canonical textb52ed7e34ba96a718fe00af49794dface8008e9dc0aee9eedefe7e0da2b564d3
Markdownf43f140c1a95ba1f15c4cf22017510d23ddb4d5a576052cc89f62c8204d2fa58
PDF
Publication pageea257a4810fc67831656767f58822ec2ec8e55346f04ce241aedc51ada65f60c
Manifestec9f0ec412edfdb7fafd241452b86822ed3e9f12749fc59608ad47e966da4816

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
SignaturepdyJs3/5jjRXvztbtEbkoOmd624fKY7DkuQa73Sk1WCgKhxvWkwkvo4/kEWwT3jYOwzFTscTj0Zr4e4e4KAjCA==
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

2026-09-17T08:40:20.715739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053740
observed ea257a4810fc67831656767f58822ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.575570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053740/manifest.json
observed ec9f0ec412edfdb7fafd241452b86822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.556735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053740/publication.md
observed f43f140c1a95ba1f15c4cf22017510d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.521000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053740/publication.txt
observed b52ed7e34ba96a718fe00af49794dfac...
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.