OpenTechnical

OT-2026-000062126

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000062126) never changes.

Identity and time

Publication numberOT-2026-000062126 · never reused
Internal UUID01a0ae8b-b8b0-7bb4-8747-3f278eac5d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062126
StatusPUBLIC

Content hashes

Canonical text427e59a1ee93aef3f1fec8c5df8502c3fdf6867056357fcb70255297f3858074
Markdown4ea665a6589c5546698dbd29a57d256960948c9ad2fb9ad03369894be2b0dc82
PDF
Publication pagea6def455b3f29a4c49d7b6cd2d48349f1c9e420a71c3ba59d48083ecabf4ec27
Manifest889f3d3a18be3e19ae42e0796d61e104311b6fff5a6806979ba16e879686e7e3

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
SignatureRYKfF7l9Ak7nTIfzqhmR/ehL/C6zF5wVqUH10afHFdGLOU0TAPYsubBKCnxnEEOnVOGc4f/7Sn9T3F1wYJl3Bw==
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...

Independent retrieval

2026-09-17T10:41:11.399407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062126
observed a6def455b3f29a4c49d7b6cd2d48349f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.382320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062126/manifest.json
observed 889f3d3a18be3e19ae42e0796d61e104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.365290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062126/publication.md
observed 4ea665a6589c5546698dbd29a57d2569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:11.346341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062126/publication.txt
observed 427e59a1ee93aef3f1fec8c5df8502c3...
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.