OpenTechnical

OT-2026-000066574

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000066574) never changes.

Identity and time

Publication numberOT-2026-000066574 · never reused
Internal UUID01a0ae8e-ce41-76b5-b750-7da96045bea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066574
StatusPUBLIC

Content hashes

Canonical text27117a887ad1d59eb2449c691b334e5acb6886f7d8ae206bb80a7108336c9d78
Markdown8a29f42f1f3028ec610e419ec0d431418b2ddec0c4a160f8593f97365b3375f3
PDF
Publication page172748daf8f7de5148c43d21a3df1a7185aef3734e7c99feb40f6af44f4d4529
Manifest550a6c08919e84a50cb415ecfe21b613ba68715d14454dff70db7a84ed121264

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
Signaturevh4qfW2g0ydTOOZXL9/YHbCeO6tRyuPZhrl7+XPvowNlbHnrhycdy2PWiRf3t4ZU1glHFB6UdVB883jtrDWtBw==
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

2026-09-17T10:32:50.855448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066574
observed 172748daf8f7de5148c43d21a3df1a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.840470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066574/manifest.json
observed 550a6c08919e84a50cb415ecfe21b613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.824043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066574/publication.md
observed 8a29f42f1f3028ec610e419ec0d43141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.806844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066574/publication.txt
observed 27117a887ad1d59eb2449c691b334e5a...
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.