OpenTechnical

OT-2026-000017418

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017418) never changes.

Identity and time

Publication numberOT-2026-000017418 · never reused
Internal UUID01a0ae6e-76c9-7ada-94ce-a4ac1b66869e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017418
StatusPUBLIC

Content hashes

Canonical text7bf7539d52305a5ea2dc6a8127664db81eb7712a2ccb0ed71c9db633ba74fd8d
Markdown45309a705e7ecd55f064eb09a338721a19be2f6fbfcc87f232ae31122c50d9df
PDF
Publication page1a27de1d6a1ef5af30f131a4decb1cfa9899526a84d0ae88252210ff9a774f9d
Manifest406a0bd8ff7fcc5d07288ce661f4977331c87fbca432a1066ea19d8a00b2c461

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
SignatureZtrCx8TL8sa6Qky8e9puJSlzEjD4mz0U6SYRCTBwLNLeahUM9T4V9hgTb0rwAkH2iXN7f2RDZS18u7LrGcAKCQ==
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

2026-09-17T12:02:32.813716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017418
observed 1a27de1d6a1ef5af30f131a4decb1cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.797044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017418/manifest.json
observed 406a0bd8ff7fcc5d07288ce661f49773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.781008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017418/publication.md
observed 45309a705e7ecd55f064eb09a338721a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.763560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017418/publication.txt
observed 7bf7539d52305a5ea2dc6a8127664db8...
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.