OpenTechnical

OT-2026-000064226

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000064226) never changes.

Identity and time

Publication numberOT-2026-000064226 · never reused
Internal UUID01a0ae8d-a460-72b4-9693-9fb8a21f144f · 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-2026-000064226
StatusPUBLIC

Content hashes

Canonical textea1cb4d55e9d8618afc6a3f667414d1e54a1c2ca3bf9386e067565336f0b8e43
Markdown20ee3a84476ca6db2695d760b0a5a9f81fde120540f01b47a45f42f5418f1478
PDF
Publication pagede6477378326ac506e8df9d27d4af157964fb0f6031b79a95fdca7f76273204a
Manifestd33cff20679d99b98dd7500d0514d03339f1370abe20ed955ea9a3cd5da3667a

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
SignatureIyyW2qCjiWNICVGzEIIo4VmIG1LZmbccfVjLFQAyQqbM/ai3X+Rnf4G9VL5jTk/6fXsDXe6fCH0oYzfEJUJqAA==
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

2026-09-17T10:36:21.037588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064226
observed de6477378326ac506e8df9d27d4af157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.018359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064226/manifest.json
observed d33cff20679d99b98dd7500d0514d033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.998517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064226/publication.md
observed 20ee3a84476ca6db2695d760b0a5a9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.981333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064226/publication.txt
observed ea1cb4d55e9d8618afc6a3f667414d1e...
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.