OpenTechnical

OT-2026-000043534

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000043534) never changes.

Identity and time

Publication numberOT-2026-000043534 · never reused
Internal UUID01a0ae7b-92cf-744d-83a7-e5b611fc1996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043534
StatusPUBLIC

Content hashes

Canonical text2006b6d93831dc0c183ee3bb141bb94f18d2c1c60925626786950272ece645ce
Markdown531c86adcc73bafbf553b111ef21d12a45bd5c0b534393bbbb90c676e7d2f74f
PDF
Publication page6795d25622c4b0c57bb4616948d972112052b92f9a11898c844e429530e19247
Manifest80dcbc6ead6693b265980056a2b1ba545c3d02f2a1a0c7e8adc7aa678a6dc665

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
SignatureYF8YeaKN21e0YnEAZVigEgIuVgG9O0RpkPkiAhOFBSxHHfLksvtWf3jYKj1rDTdsTYPTs2FM20VQvzZQVu19CA==
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

2026-09-17T11:12:54.855955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043534
observed 6795d25622c4b0c57bb4616948d97211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.835810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043534/manifest.json
observed 80dcbc6ead6693b265980056a2b1ba54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.814390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043534/publication.md
observed 531c86adcc73bafbf553b111ef21d12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.792315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043534/publication.txt
observed 2006b6d93831dc0c183ee3bb141bb94f...
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.