OpenTechnical

OT-2026-000066558

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-2026-000066558) never changes.

Identity and time

Publication numberOT-2026-000066558 · never reused
Internal UUID01a0ae8e-ce41-77fc-ab24-6d2624372c44 · 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-2026-000066558
StatusPUBLIC

Content hashes

Canonical text89426e1176dcd244a6a4febf6c88e47fbb9a00191ce9ea3ba4758cfa0619ba63
Markdown779938755875aa471ddac614f3400f7497500dd7d008e7f4387b44a77e7f6926
PDF
Publication page4e3f5a5c9d45c9e79d9a2a5fa8eb8f022b3af69b10b08bb903a885e7b5246721
Manifeste28b5078ebcd66607fe4da4d1a8af582758ff384984e7185409bf6e2b2a40e53

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
Signature58SZ9JxWkSd3oIIK3Jz+owFBdqggzqSz70rkISe26Fk5P27ciST39OGznWrvX8cAFWGUMhcpn7Alcm6RPZZVBw==
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

2026-09-17T10:32:49.655099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066558
observed 4e3f5a5c9d45c9e79d9a2a5fa8eb8f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.638137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066558/manifest.json
observed e28b5078ebcd66607fe4da4d1a8af582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.622680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066558/publication.md
observed 779938755875aa471ddac614f3400f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.604374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066558/publication.txt
observed 89426e1176dcd244a6a4febf6c88e47f...
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.