OpenTechnical

OT-2026-000064538

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-2026-000064538) never changes.

Identity and time

Publication numberOT-2026-000064538 · never reused
Internal UUID01a0ae8d-a462-7647-98f7-3ef0c64da097 · 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-2026-000064538
StatusPUBLIC

Content hashes

Canonical textf9903daeb9970d3913cae28cb9e47d85906af76eb90629515f2e9ec95142477c
Markdown8ff45fe6de31d52401ae917fd4059a7f344e2f31b3a1c5e9d42fbb655fe5cb29
PDF
Publication pagee225217ff191ffbf9b59f1ac58b20447c1fc5b445ea6e1c408fc32732e0e25bb
Manifest5e28e01c34fe62e577b985450dc8f73ed457a17e7e85c8084a661a396b1f4fe0

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
SignatureXc1Lk6ekdTK40Z1Y4nDO/2H1coZskO56KrzzDO/ZqxNU/QSfH7l1YCT6XRJOxTqXnHeomZL+vb6NOu72QKMfBg==
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

2026-09-17T10:36:45.266945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064538
observed e225217ff191ffbf9b59f1ac58b20447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.250021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064538/manifest.json
observed 5e28e01c34fe62e577b985450dc8f73e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.233031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064538/publication.md
observed 8ff45fe6de31d52401ae917fd4059a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.216664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064538/publication.txt
observed f9903daeb9970d3913cae28cb9e47d85...
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.