OpenTechnical

OT-2026-000048502

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000048502) never changes.

Identity and time

Publication numberOT-2026-000048502 · never reused
Internal UUID01a0ae80-4de5-7a91-9688-124d184fb968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048502
StatusPUBLIC

Content hashes

Canonical textc7a30e9b29a4a20b737c3e2be106323a52db9701c2b44d1b8f1d03eaecbe614d
Markdown7995db876d02a62e71e6a718206bc75f12d24e2625006b2f8ce9889c6d74bafd
PDF
Publication pageccb9e740c5c811fdc1746a57ed62ff2a548e65d3b1b815d4550a47267c6d9eac
Manifest0b5fdf0efa3a15af3e5990d4a0021bdbbfb8cbd9ab38bf5ad7a501c7efa5bdc3

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
SignatureXAhy2onjiiRn5Au9aqlq0ewwtcDSfdATq6lrJozvPhA6DxXwA18G2EeuyZhXJ8/EAZuiwpy6cl0+arOqKAvJBw==
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

2026-09-17T11:05:10.609036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048502
observed ccb9e740c5c811fdc1746a57ed62ff2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.589005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048502/manifest.json
observed 0b5fdf0efa3a15af3e5990d4a0021bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.570237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048502/publication.md
observed 7995db876d02a62e71e6a718206bc75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.550913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048502/publication.txt
observed c7a30e9b29a4a20b737c3e2be106323a...
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.