OpenTechnical

OT-2026-000048733

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000048733) never changes.

Identity and time

Publication numberOT-2026-000048733 · never reused
Internal UUID01a0ae80-c32c-7213-8a7a-bd26a068a4c7 · 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-2026-000048733
StatusPUBLIC

Content hashes

Canonical textf3e4a42758e42d40a7f4efa48d433981ddf4135e2bc8824b145e21d010044791
Markdownca4fb1b682743ea78e8aa067844d00a6cc76db234b0ba3eef691d12157c45c4a
PDF
Publication pageb4c66fca2367f2f39a240a34b10d4102d1e7bd0bba83b41439da104dc7a2c93d
Manifesta02752b616217eb6ef5d974717735e42265cb7e2a070755d371f6d93d126296c

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
SignatureShC0ZFWgz3ykw4B8Uyr7+fUKzVUkNZ/4d2dbYgYhOMfcaNXGywsfLl6860Hzm2fVLG1t0t4W4qm6Fz1t7VAXDg==
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

2026-09-17T11:04:23.100730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048733
observed b4c66fca2367f2f39a240a34b10d4102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.079939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048733/manifest.json
observed a02752b616217eb6ef5d974717735e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.057879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048733/publication.md
observed ca4fb1b682743ea78e8aa067844d00a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.038636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048733/publication.txt
observed f3e4a42758e42d40a7f4efa48d433981...
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.