OpenTechnical

OT-2026-000016215

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000016215) never changes.

Identity and time

Publication numberOT-2026-000016215 · never reused
Internal UUID01a0ae6e-2d11-7250-a2b9-2326baa4b65c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016215
StatusPUBLIC

Content hashes

Canonical text447a9d6681bcb374e99a7df98d74c151e84259ac34c837bd390015b4d2395062
Markdown4d9cc128593794b9a65d9085723a3aeb6d24fadf376c856548295b2a949a648a
PDF
Publication page1e90a102d5690e41bd6fc37ae9ef9101a971d3e2df7c2231ec4790e3cae24e38
Manifesta8eed1e023527116b5f507086f0abe51216d01508c96d2299245a3da9016fa7e

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
SignaturejkBtlIxMvhti6p2tYJv6Sq5s6ZvSBxXqWWU+z73FF3cOfZi6LJ/Fj0l/Pb9bloLo7bm3FjhoSZrPLXppRDS8BQ==
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

2026-09-17T12:03:40.644014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016215
observed 1e90a102d5690e41bd6fc37ae9ef9101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.625771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016215/manifest.json
observed a8eed1e023527116b5f507086f0abe51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.607822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016215/publication.md
observed 4d9cc128593794b9a65d9085723a3aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.590460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016215/publication.txt
observed 447a9d6681bcb374e99a7df98d74c151...
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.