OpenTechnical

OT-2026-000067274

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067274) never changes.

Identity and time

Publication numberOT-2026-000067274 · never reused
Internal UUID01a0ae8f-6bd6-79e0-bdaa-a3b0adcf35d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067274
StatusPUBLIC

Content hashes

Canonical text91e221493e9b11eacd4ab75b4cca2f90bff66f081114c0ff0dd06ebdd15817fa
Markdown7bfceb74514a827069b548edbaed90188020ed7e218430f56c08dd90a441d8ca
PDF
Publication pageb606c7d59abc38c98187c5e6ebd1fa6a1293ee28ba0356ee1bb72e62f04147a4
Manifest115a3cd98b5274d0a0bec24bbb5840d47063ef4fd231e55bdb6840b0ef301d14

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
Signature3u7Z1NQJsemQnJ6rA9uqYUZ2+qtueMbya4LnlnjQXlcWTFQdC+UguPaaErdkC8TvMUY1tYkP1FPOfy9Teak8BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:57.351987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067274
observed b606c7d59abc38c98187c5e6ebd1fa6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.334596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067274/manifest.json
observed 115a3cd98b5274d0a0bec24bbb5840d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.313655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067274/publication.md
observed 7bfceb74514a827069b548edbaed9018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:57.296807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067274/publication.txt
observed 91e221493e9b11eacd4ab75b4cca2f90...
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.