OpenTechnical

OT-2026-000017136

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000017136) never changes.

Identity and time

Publication numberOT-2026-000017136 · never reused
Internal UUID01a0ae6e-76c7-7cc5-a8e4-904cf6c91be6 · 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-2026-000017136
StatusPUBLIC

Content hashes

Canonical text6d801456046df50dd243a5c56fee4543ca7ce54c0f6fe3972162e6965fd2bd68
Markdown3de5722af43d6967dfc87322325ff2ec0b0c19998be8618afe78562776e371c8
PDF
Publication paged2ab2d450c79cbd2780f559057ead7216b30cd9336298c3455a13d11de5267e9
Manifest269491abee334c9255e32b7925fb6136a5a89ae1e3a13e2f87072893b864b2ad

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
SignatureNPJAxXlIj7xSpeGAQv26Bkjzr0OIfYH8bKORn1kXoUWUsQ9J027tw/bZHPxdbNdRqQxbKwx4OSHUeAg/ImK0Ag==
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

2026-09-17T12:02:11.673615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017136
observed d2ab2d450c79cbd2780f559057ead721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.656873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017136/manifest.json
observed 269491abee334c9255e32b7925fb6136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.640234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017136/publication.md
observed 3de5722af43d6967dfc87322325ff2ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.622879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017136/publication.txt
observed 6d801456046df50dd243a5c56fee4543...
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.