OpenTechnical

OT-2026-000088043

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088043) never changes.

Identity and time

Publication numberOT-2026-000088043 · never reused
Internal UUID01a0ae9b-1aa7-730a-b5c7-f7408dd18d14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088043
StatusPUBLIC

Content hashes

Canonical text4602db10b29d8b60fbebee3cd64739f911c21f6a3250187e33b358e14293aabb
Markdown243b81f62eb702da52fac5f3b3516964b7d1d13a9120213adc7fff1924a7c587
PDF
Publication page3f5e83c9322fdbbdac2be8dbf1b40ab235d828c8e8d4e004db35e423834715b3
Manifest62b27f41d82f49eda5db660def6337f1e2ea7453f6d92f6cfca4fa42c6ca2aed

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
SignatureIjXCOe1/DelX+vNa9loHyJ7a5PyZltd/RVdNDxvtJ+NQoznJVkuQ+cmizjMSZxxQEfxdx7stW8JHB/CoZBaqCA==
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

2026-09-17T09:49:26.024087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088043
observed 3f5e83c9322fdbbdac2be8dbf1b40ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.004505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088043/manifest.json
observed 62b27f41d82f49eda5db660def6337f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.986841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088043/publication.md
observed 243b81f62eb702da52fac5f3b3516964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.969115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088043/publication.txt
observed 4602db10b29d8b60fbebee3cd64739f9...
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.