OpenTechnical

OT-2026-000041896

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000041896) never changes.

Identity and time

Publication numberOT-2026-000041896 · never reused
Internal UUID01a0ae79-e8a6-7ebd-a4cd-361900266f56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041896
StatusPUBLIC

Content hashes

Canonical text06acdba6b576a57925be0b094822fb8ae244499d91d19c917f1f64103d25ccb0
Markdown33a879dd020eb4da0a4b91b6a4633d79e266cb33c21d97d177a32795993b0eb1
PDF
Publication page8c1afab6fa0c2d521afe8b9b26e5b725209d13dffbd52ba18f8ab812ebeec013
Manifestf17aa12e5f886a5ceded514d82cb2a5b5d3b6e03fd2f07eee125d4c1cd7af8e7

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
Signature6y8zEdYiC5yZ1SUE+TL3mwOAmZ7w26MT4b0JNARL8ZcPKdEGu0nQbaIpuYWfCPUB26aGheiHJwzMS2E67SedCw==
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

2026-09-17T11:16:46.532177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041896
observed 8c1afab6fa0c2d521afe8b9b26e5b725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:46.514025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041896/manifest.json
observed f17aa12e5f886a5ceded514d82cb2a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:46.495609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041896/publication.md
observed 33a879dd020eb4da0a4b91b6a4633d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:46.476879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041896/publication.txt
observed 06acdba6b576a57925be0b094822fb8a...
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.