OpenTechnical

OT-2026-000047270

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000047270) never changes.

Identity and time

Publication numberOT-2026-000047270 · never reused
Internal UUID01a0ae7f-3e56-7296-9913-a297e711e7dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047270
StatusPUBLIC

Content hashes

Canonical text8a90c77e6bf317c3a10099653a76f6374b4131b4893cf6c09abe6c6b23b68f48
Markdown2b909b8196c97b63d82b2287b11b0a874050e7a3555abcb56fdbbcdb9930c5cd
PDF
Publication pageea56aab6c82b35b9ce5053bb2824355c3f1e3cb9eb7ffed0fc8e636c6b3082db
Manifest3b7a6aa3ac4e7294663576918d77f35d2b4d3c90ae4a00843abca086787bc028

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
SignatureylqLkmQVI1zeqR6cq3k4zm6WQVdzF3bEKFRbfq089MvQO7b7ZLyQ9LtGNme+WqhzxLNTzt16b1SUZCxbEGv2BQ==
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

2026-09-17T11:06:14.167459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047270
observed ea56aab6c82b35b9ce5053bb2824355c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.150916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047270/manifest.json
observed 3b7a6aa3ac4e7294663576918d77f35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.132534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047270/publication.md
observed 2b909b8196c97b63d82b2287b11b0a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.114942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047270/publication.txt
observed 8a90c77e6bf317c3a10099653a76f637...
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.