OpenTechnical

OT-2026-000048741

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000048741) never changes.

Identity and time

Publication numberOT-2026-000048741 · never reused
Internal UUID01a0ae80-c32c-73a8-9dae-0cd649d179fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048741
StatusPUBLIC

Content hashes

Canonical text35bf67b67e5e539e1204d362de9ce7ae685d2ab9264647e118b43be7710c463b
Markdown3381c3f9c5fe59dc84b8bdc9ecca54b39696e001f74b2cac284e1c386f2d588e
PDF
Publication page41bf27dc9024b44180fcf2a13cb89473747e207770ae4f943c9bdd6be7d8356c
Manifest55f191beb39bc7ffaa13c324414eddc9b8f7cf19e640dc6083f33889372cd572

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
Signature7VzcU+FOkSgwb66LipykzjcC7wJnbSj1Fk2226a2pmqT5B+QT98Des+eeqnpLQF5fW1Tj12cnOW9WxdTaHR6Bg==
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

2026-09-17T11:04:23.851159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048741
observed 41bf27dc9024b44180fcf2a13cb89473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.826227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048741/manifest.json
observed 55f191beb39bc7ffaa13c324414eddc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.804344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048741/publication.md
observed 3381c3f9c5fe59dc84b8bdc9ecca54b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.778292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048741/publication.txt
observed 35bf67b67e5e539e1204d362de9ce7ae...
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.