OpenTechnical

OT-2026-000049662

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049662) never changes.

Identity and time

Publication numberOT-2026-000049662 · never reused
Internal UUID01a0ae81-8fee-71bb-aec3-276be075cb3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049662
StatusPUBLIC

Content hashes

Canonical text6c8aa15e9877f69395198d74d5f50f5e1540f771d9a714db4c4247a35bf0169a
Markdown51cef929bafc774832438d4904bc4135c1263bbea81a79d4bc36737ca646ca46
PDF
Publication pagee366d2716908f0fe5c8878561e842b80077247cbdd2f0d16668d0d6e70f0e000
Manifest1591ad19181ab17926cffde0bd84c06c79eb8ecd336b6cca66e9ca0fe6fa6a37

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
SignatureobZDuiHx3O0/1x0ErrwZy+VLzW+xapfPixQiVa7xJOVYCqY7R8Q9bwIkPS3M6JKgwRWS71N9PHqfXBcxxhWuBg==
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

2026-09-17T11:02:39.874318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049662
observed e366d2716908f0fe5c8878561e842b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.853526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049662/manifest.json
observed 1591ad19181ab17926cffde0bd84c06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.834325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049662/publication.md
observed 51cef929bafc774832438d4904bc4135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.815070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049662/publication.txt
observed 6c8aa15e9877f69395198d74d5f50f5e...
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.