OpenTechnical

OT-2026-000035721

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000035721) never changes.

Identity and time

Publication numberOT-2026-000035721 · never reused
Internal UUID01a0ae76-b4c8-7afb-93df-fc9415ecff0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035721
StatusPUBLIC

Content hashes

Canonical text28074b3fc4f3cb720457a76cba5ecc5010544ef05430e01094002cc4488197f2
Markdowna936776af44631ed62516473687976aa62d583e9c849e931c70902f482f4ab2d
PDF
Publication pagee361ac37e0e743336b7dd9d0fdcdfbd04c0fbc0f6235e203bbe2769c3c6608ad
Manifestc3e3138301cd445eb54a94016b2d19880edb591ba60c80931e2c573182a95202

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
SignatureahUoXtKjcJZbvjYXLdLkkNyVGzt1TE4hgZK681K0EX4RUZ5FgM07vKdqlYfB1BVE81gaOls2ogKfDkdDTyLuBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:18.507983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035721
observed e361ac37e0e743336b7dd9d0fdcdfbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.490364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035721/manifest.json
observed c3e3138301cd445eb54a94016b2d1988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.472237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035721/publication.md
observed a936776af44631ed62516473687976aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.455369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035721/publication.txt
observed 28074b3fc4f3cb720457a76cba5ecc50...
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.