OpenTechnical

OT-2026-000053448

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000053448) never changes.

Identity and time

Publication numberOT-2026-000053448 · never reused
Internal UUID01a0ae85-0a90-73f8-b523-904a361968ea · 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-2026-000053448
StatusPUBLIC

Content hashes

Canonical text6298b1f83cfcd77d60ad1673e1284069f1f042984286cf82b81bfb608c3645e6
Markdown59059c4ccafc49f584d00eb33a8ab5354f65b699785b38bde53a4f21fedb9414
PDF
Publication pagecd12871c76ccf2945d077bc900829754a168e3af9df63ba70a53c85caf541597
Manifest8f642d4a4838cf3489404830dc2f52a0d9953bc716f7337510b0a2e59d2cc3c3

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
Signaturemu5NVKw640Oj5w+EGaNjSHlRObFgU5jdWShff6a+eVPj7h+ltxv/WFL3ziMU4gqaA4UDrc2ZeDIeHyjSBpayDA==
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

2026-09-17T10:55:11.506370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053448
observed cd12871c76ccf2945d077bc900829754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.484174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053448/manifest.json
observed 8f642d4a4838cf3489404830dc2f52a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.464375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053448/publication.md
observed 59059c4ccafc49f584d00eb33a8ab535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.441901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053448/publication.txt
observed 6298b1f83cfcd77d60ad1673e1284069...
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.