OpenTechnical

OT-2026-000064518

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000064518) never changes.

Identity and time

Publication numberOT-2026-000064518 · never reused
Internal UUID01a0ae8d-a461-71b7-80a6-366a31a6d71a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064518
StatusPUBLIC

Content hashes

Canonical text53ffa0c80fcec909ec4ffe2d9f3f040b407e0b3f0a6a07531b6a4833faadac7b
Markdown7f6d925c3ab1591b209c96892b706767423d082ad1fe771900b5f1dc8bba358d
PDF
Publication page7a86763746fca6bda797d50e12ef7f041185b015f96d9cf545d940991e34a2aa
Manifest07a78c82c2f23a33e9625b54cd7e638f02d2fcb1e028934afa59aad13e4481bc

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
Signaturess0YT+d+v0jpdBMc0AjgxOv01C6LT5Jsrm67XROdPPcjXaQQlCrfnZxe6IZkCTbFZWg+VcpBd3cRn5nIPqVcBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:43.779133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064518
observed 7a86763746fca6bda797d50e12ef7f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.762044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064518/manifest.json
observed 07a78c82c2f23a33e9625b54cd7e638f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.744010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064518/publication.md
observed 7f6d925c3ab1591b209c96892b706767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.724849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064518/publication.txt
observed 53ffa0c80fcec909ec4ffe2d9f3f040b...
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.