OpenTechnical

OT-2026-000049496

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049496) never changes.

Identity and time

Publication numberOT-2026-000049496 · never reused
Internal UUID01a0ae81-8f7c-7c93-9cae-aaa1791679e5 · 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-2026-000049496
StatusPUBLIC

Content hashes

Canonical text06e18a9fd1d467b87fc407e05dc8c94a3c65499d3cedd836e2e2998da58e5b8a
Markdownd5c7fc00583093c5a429b3702dc7cf26d588a39582068d1e0f30ba8915b1067f
PDF
Publication pageb866ee4031be6f269e4becb87b69ddb281d2bb608e9f95901862d6b4d8186aee
Manifestbde46850212b29132ea90286b1aa793a7e69e8cdb34eb53c451598b34cfbe05f

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
SignaturetpCu5/FVw6q4m5bs8zY3SC86H76X4In8raaCMrqjW/YkI5x7Z75P0LkwI4v1+HBOIeRRxD5OpU4Vx+xD8DVNDw==
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

2026-09-17T11:02:20.833189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049496
observed b866ee4031be6f269e4becb87b69ddb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.815848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049496/manifest.json
observed bde46850212b29132ea90286b1aa793a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.798995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049496/publication.md
observed d5c7fc00583093c5a429b3702dc7cf26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:20.781820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049496/publication.txt
observed 06e18a9fd1d467b87fc407e05dc8c94a...
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.