OpenTechnical

OT-2026-000053885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000053885) never changes.

Identity and time

Publication numberOT-2026-000053885 · never reused
Internal UUID01a0ae85-735e-765c-8c29-64c55fb46e1b · 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-2026-000053885
StatusPUBLIC

Content hashes

Canonical text9d3729be40f6aa43bf2b009df0c3acbf205833cd52b816c4f464da8be65de107
Markdown1fe29e6fa9fe546baad75adb16762e8ded74d613544efdf904e89b1cf7cbb3c4
PDF
Publication page288ec77cd851a0b89bb85408415fce504d6f00f7476f65cdc4f75f1f787be2c8
Manifestbfe392258d9185107bbd7c230d82bbc83218829b5baf7115ab9dbef53f3147db

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
SignatureTIeLmOUkUnsyKCRUt73WRKLLj2/78GTtkyUYViB37V9ykKWkMgzzd+skFZbt0DPEEIu9dqAQnaCnHd65YXxFDw==
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

2026-09-17T08:40:43.024615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053885
observed 288ec77cd851a0b89bb85408415fce50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.002815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053885/manifest.json
observed bfe392258d9185107bbd7c230d82bbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:42.982346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053885/publication.md
observed 1fe29e6fa9fe546baad75adb16762e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:42.834005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053885/publication.txt
observed 9d3729be40f6aa43bf2b009df0c3acbf...
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.