OpenTechnical

OT-2026-000048440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000048440) never changes.

Identity and time

Publication numberOT-2026-000048440 · never reused
Internal UUID01a0ae80-4de5-73e9-b4de-9a531e70fa29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048440
StatusPUBLIC

Content hashes

Canonical textda62d1dce4e61c83ea829a619ad9312b7b01e8c25fc27124fd369a9a96ca9be7
Markdown3fb4fcb291353b7625ec6174274b298cb0b3bed3c44b39a30a020a5ca4ad31d1
PDF
Publication page30f03d9b5a99fa43fb2699e043c125c87d67ea61a2ced9fc34e24ce57c5fd2bb
Manifestcf73f98805fcf5f95a554440148a9073ab8cc7422a344bcf18107afb041857d4

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
SignaturemlPUdJQjph0ntlxcbTK17xnns0WYi/UqO+cXLnWJU54O9G6Y0gvJvdv5InwBjgkdU3/IdXgLZyvpX4bulWOVBg==
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

2026-09-17T11:05:05.541840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048440
observed 30f03d9b5a99fa43fb2699e043c125c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.522562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048440/manifest.json
observed cf73f98805fcf5f95a554440148a9073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.500284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048440/publication.md
observed 3fb4fcb291353b7625ec6174274b298c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.480674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048440/publication.txt
observed da62d1dce4e61c83ea829a619ad9312b...
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.