OpenTechnical

OT-2026-000056682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000056682) never changes.

Identity and time

Publication numberOT-2026-000056682 · never reused
Internal UUID01a0ae87-7af6-79ec-87e9-42180c68aeea · 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-2026-000056682
StatusPUBLIC

Content hashes

Canonical textfa8a166410f3683b0e0b0024831576845bfdd76fb1a78a4ec43d46be9c4595ca
Markdownb5d23bb66007e23511883e0e1660fe52d1f5b9e6f58807128e206d3eb9a9f083
PDF
Publication page6ecc3c1f58ada69f642386736e8c9cbc48f7fab10fa2d362695f89ce33fc6372
Manifestcfe2b02f2c48e5e0097c18c3095303b0a35e146f16dce098caa4b1a24ee727d6

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
SignatureMy0F5SY9VUjZfK64/9Bkk8F9OXzcnO7/cRY0kmu2O834vCmHyicfW+Yc71ike/imODUl9tVGBc/08vCA0rgQCA==
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

2026-09-17T10:50:04.877480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056682
observed 6ecc3c1f58ada69f642386736e8c9cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.859877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056682/manifest.json
observed cfe2b02f2c48e5e0097c18c3095303b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.841427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056682/publication.md
observed b5d23bb66007e23511883e0e1660fe52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.823186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056682/publication.txt
observed fa8a166410f3683b0e0b002483157684...
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.