OpenTechnical

OT-2026-000031696

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000031696) never changes.

Identity and time

Publication numberOT-2026-000031696 · never reused
Internal UUID01a0ae74-bad0-79ab-a976-4b04b380e780 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031696
StatusPUBLIC

Content hashes

Canonical text376090c4a2d1655daf2c3a57f0bfdb132169590362ee464c43b22d71a87e4b49
Markdown59f3eb213a7cbd1c9f0569b3e764a046baa977c86558dfad96e813bd0e5749a7
PDF
Publication page5949752846a38c7bb9cb2c0780fbfcd4a212e265bc2ce24754001719433645e2
Manifest9c60db9b8ee8ca8da214c6fe5a70d3fe51bda972484af9fe221cb445b8a28ad4

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
SignatureryUsv950Nc7+jf2zKWZjhPEoZVz0wuxr1oiq3+At7q/C1rVc4pUrYL/RUlKtZCzgbfxao8zq7dM4MHXG/quDBQ==
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

2026-09-17T11:34:48.117437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031696
observed 5949752846a38c7bb9cb2c0780fbfcd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.093443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031696/manifest.json
observed 9c60db9b8ee8ca8da214c6fe5a70d3fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.074593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031696/publication.md
observed 59f3eb213a7cbd1c9f0569b3e764a046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.056436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031696/publication.txt
observed 376090c4a2d1655daf2c3a57f0bfdb13...
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.