OpenTechnical

OT-2026-000041254

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000041254) never changes.

Identity and time

Publication numberOT-2026-000041254 · never reused
Internal UUID01a0ae79-b143-7bff-8595-686b15d306b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041254
StatusPUBLIC

Content hashes

Canonical text84b157bed8022fcd17f985b5f184cb3c3cdd904cf7d3ff1c8661396270922447
Markdown3e8731de0e88139dd4f5b4bc07d1b5a2ac7ce6bf9df24bdef74163a1ceb46de2
PDF
Publication pageabfe47ff43356daafd64ef19c755c846e6964a87b33799b728c4dc72c5f9fe50
Manifestb9153cb9dbfdbe18e1c839b4fd529113a3055ff325c1737d96e3c4cee7e9af2e

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
Signatureyv7Gcht4zpcAVNtVV16PqJIrIWw2vlKeUblsYS3QtYd6tz3R2r6vVeyaq+yOmDhSgpkuVW6QJ8WEJ2Opy+i9Dg==
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

2026-09-17T11:17:13.503274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041254
observed abfe47ff43356daafd64ef19c755c846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.484746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041254/manifest.json
observed b9153cb9dbfdbe18e1c839b4fd529113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.465652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041254/publication.md
observed 3e8731de0e88139dd4f5b4bc07d1b5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:13.447326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041254/publication.txt
observed 84b157bed8022fcd17f985b5f184cb3c...
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.