OpenTechnical

OT-2026-000053236

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000053236) never changes.

Identity and time

Publication numberOT-2026-000053236 · never reused
Internal UUID01a0ae85-0a14-7960-aaf8-c9e1832b4819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053236
StatusPUBLIC

Content hashes

Canonical text73cf3b89a0575b5b2b51ba4e108bbf7cc24b2e2ca6999e17e59cfa4a7f50f310
Markdowne119c58d15b1cd56242ee4dff9c855a3fb76db64ec98dd87b3eba6ca774e08b0
PDF
Publication page4bca55eccf43532a4207f82a77a374b7ddb262348b7c9767a20badc9e135d4bd
Manifest71c4952f80b1e541f0282300d563a6b7329aef9d73de0ff84d634cbab75cf0a7

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
Signature8fEvMPrcnp1s4M4gZvQiOxD8+RVJBhs7b9BLKD9Oh4h/18I6PJispiwK63BtBquWrhf250a8ZNDsuDJtTPZLBw==
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

2026-09-17T08:40:54.563481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053236
observed 4bca55eccf43532a4207f82a77a374b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:54.543574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053236/manifest.json
observed 71c4952f80b1e541f0282300d563a6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:54.523948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053236/publication.md
observed e119c58d15b1cd56242ee4dff9c855a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:54.504607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053236/publication.txt
observed 73cf3b89a0575b5b2b51ba4e108bbf7c...
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.