OpenTechnical

OT-2026-000039233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039233) never changes.

Identity and time

Publication numberOT-2026-000039233 · never reused
Internal UUID01a0ae78-9674-7f5b-ad34-41246f4e91d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039233
StatusPUBLIC

Content hashes

Canonical text38ef6972b889df8e2f01ea03cab54db806bd5b0a4a6e6f610006ffbd80194fe7
Markdownc772b5db0698403a79d8d81c15b8fb9c1912d8ece0529aa86c83ef3e29cf6da6
PDF
Publication page87e830f1f2c986958245bd9e04f96642d602a827c032b87ef983aa68c46cd2b7
Manifesteecb5d6eb1fed1b1e6e4d4f123cadb2070b1a73771de431bc9198973009faab8

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
SignatureAO4jchMe4QmFhQ8JkPtT1+akgWi26bVTxXsihbHkNxJnMHNsdeaHrr46PonxPT1wOiQFzAu7QSEuie1yDGrRCA==
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

2026-09-17T11:20:47.327329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039233
observed 87e830f1f2c986958245bd9e04f96642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.309361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039233/manifest.json
observed eecb5d6eb1fed1b1e6e4d4f123cadb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.290120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039233/publication.md
observed c772b5db0698403a79d8d81c15b8fb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.270710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039233/publication.txt
observed 38ef6972b889df8e2f01ea03cab54db8...
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.