OpenTechnical

OT-2026-000041712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000041712) never changes.

Identity and time

Publication numberOT-2026-000041712 · never reused
Internal UUID01a0ae79-e8a1-72d7-8dc5-f197973de038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041712
StatusPUBLIC

Content hashes

Canonical text9214472b1f2fe9f6c0a35d2e4a8f84b1475031b309a486f7f51876cf8e6f8270
Markdowna717c016869d8177d6bc31ba9d53dee92850a094f102e47ecfcd8eba6c1d1d5a
PDF
Publication page7736ec9fc737c557374a61f9d45a8ec93fdf9d79f50407ba27de862f39616593
Manifest5eef14a5f172b1e827274b466525d22170999de510d75c6889216e368370ab52

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
SignaturedDEWsvHhIC+xbybUaN3qmi/+OSzwbgmEGElRHoeLEXr/6oNNXayFdyVlyYKEpacUtFNr3EI89sU1kNIGQLVhCQ==
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

2026-09-17T11:16:32.896182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041712
observed 7736ec9fc737c557374a61f9d45a8ec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:32.877851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041712/manifest.json
observed 5eef14a5f172b1e827274b466525d221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:32.859503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041712/publication.md
observed a717c016869d8177d6bc31ba9d53dee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:32.840706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041712/publication.txt
observed 9214472b1f2fe9f6c0a35d2e4a8f84b1...
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.