OpenTechnical

OT-2026-000015626

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000015626) never changes.

Identity and time

Publication numberOT-2026-000015626 · never reused
Internal UUID01a0ae6e-0c4b-73a1-a6ca-2c8b7bbd5ce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015626
StatusPUBLIC

Content hashes

Canonical text0c667da2fc517093881d4477ad9cb8bf13ee6baf493e82977d37a5c931a50ad4
Markdown2b62b67427976654b628be7b52715f48c3e7c75fcdd15f8a3685fbd75804c7c8
PDF
Publication page34bc9654e124ba98430d573bea1ab4825fdc3a7a892f2410ead83949c47b4d1c
Manifestffbbb4238a7a496384617ad5835091675ae63e673320113323d93d84e4d97d64

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
Signature9xCBlVaj9vrbIfFOEOMzf1qJLh9y3BieA1BfGxHOgJ9oBSLscwbpVofw5XmdrnrXDGzPWQgiDAGrjRunMaNVCw==
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

2026-09-17T12:04:52.602989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015626
observed 34bc9654e124ba98430d573bea1ab482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.586802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015626/manifest.json
observed ffbbb4238a7a496384617ad583509167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.569757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015626/publication.md
observed 2b62b67427976654b628be7b52715f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.552800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015626/publication.txt
observed 0c667da2fc517093881d4477ad9cb8bf...
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.