OpenTechnical

OT-2026-000047338

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000047338) never changes.

Identity and time

Publication numberOT-2026-000047338 · never reused
Internal UUID01a0ae7f-3e57-7196-b4e7-c3099c0f7815 · 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-2026-000047338
StatusPUBLIC

Content hashes

Canonical text554a2473c7968b0eed1f46c18c579d93783308b5b04e143189c4125fd0d9690d
Markdown76ddb4928ea587116d0e6a6ddff43d781b24882cdea9c8c012c42751ff188ca9
PDF
Publication pageda9ad93ed7a0e5e9c5f51bc94eef0076cddd0be7c530b8f5badb825eb4e1bd3c
Manifestbde2afc6ced22cc1e1cc85049df8115a2e69c0daf1b41596db7f1883cd2b7a59

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
SignaturesZxHn6mcR6SWkcrcdOLV0Q+SRfuNB+n6upn+TtK9uc4E0jL62otgQ9dt1cjyTTGHkDvYNZV26yiZJjHMk999DA==
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

2026-09-17T11:06:19.773235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047338
observed da9ad93ed7a0e5e9c5f51bc94eef0076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.752962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047338/manifest.json
observed bde2afc6ced22cc1e1cc85049df8115a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.735240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047338/publication.md
observed 76ddb4928ea587116d0e6a6ddff43d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:19.717279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047338/publication.txt
observed 554a2473c7968b0eed1f46c18c579d93...
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.