OpenTechnical

OT-2026-000062001

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000062001) never changes.

Identity and time

Publication numberOT-2026-000062001 · never reused
Internal UUID01a0ae8b-b8ae-76e4-b5b0-efd660e4309e · 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-2026-000062001
StatusPUBLIC

Content hashes

Canonical text9f9a2274f5a97b495cc02e0a9080c3d67918449b587dee5124d18797fc5a84b8
Markdownfde7b6e1f3ad54fa9464b1ea9b62c98f9941dc56be1b1a7ce6b0a13040c13dde
PDF
Publication pageb04100f1774edc89813c3a56b8cc147b808fbac845daa622c58ff14deaeea372
Manifestff6c318ab13ac17a2366964e94b0a58996f9917b8c440ebce3e3e7c2266cbe80

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
Signature70CTgbFwYnKxoWO9rNlqjLnnP7xyuvsnCVOv1fFoq3kE6+BOWN5DM/2qjzF/X+vDSOWf4I/5KcIp30OBCkd3Bw==
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

2026-09-17T10:40:56.146636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062001
observed b04100f1774edc89813c3a56b8cc147b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:56.125457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062001/manifest.json
observed ff6c318ab13ac17a2366964e94b0a589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:56.104603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062001/publication.md
observed fde7b6e1f3ad54fa9464b1ea9b62c98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:56.084699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062001/publication.txt
observed 9f9a2274f5a97b495cc02e0a9080c3d6...
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.