OpenTechnical

OT-2026-000038884

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000038884) never changes.

Identity and time

Publication numberOT-2026-000038884 · never reused
Internal UUID01a0ae78-769f-70ee-ab63-1ecb2b18f8e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038884
StatusPUBLIC

Content hashes

Canonical textaff470bb38e93e866d7d82ac6d0e59c12e69365de89fa942c64d11b18c0bcd4c
Markdown253579fe341020033e00fc28e5ded17dc861781068be6fc54031bd144ccee081
PDF
Publication page2331b16590bdacf11db1955db085e0fb3f10299847792fc12de54109b01a7b47
Manifest2b2f9a39458b0e34ab848eb914ccc4762b30d56b144abf56df52bcfb08e580d9

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
SignatureLbUPsQw0e7KbQKAnj4Hv7WvoaxgmthKHgTROp6qYOylrgfcvsuVR5VbryTBH9rbHjiU7Zvy0x5T5FR4Y+6ADBw==
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

2026-09-17T11:21:32.887767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038884
observed 2331b16590bdacf11db1955db085e0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.857554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038884/manifest.json
observed 2b2f9a39458b0e34ab848eb914ccc476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.837374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038884/publication.md
observed 253579fe341020033e00fc28e5ded17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:32.807839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038884/publication.txt
observed aff470bb38e93e866d7d82ac6d0e59c1...
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.