OpenTechnical

OT-2026-000084902

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, sustained 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-2026-000084902) never changes.

Identity and time

Publication numberOT-2026-000084902 · never reused
Internal UUID01a0ae99-43b4-733e-83f5-d3f4b8368dd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084902
StatusPUBLIC

Content hashes

Canonical textbd7122b65943fc7486532af19e475872e7f8ffa8ef67bd0454f1bed83340787d
Markdown16c9c9c781d2976787eaf4f7a6392397f31ddc1d7f798700a33a7cfbb6f7815b
PDF
Publication pageb413b175891c973ff2517773f132e8a4864a35ac94780013e6ad0410aef29d9a
Manifest165d44fce6e647c9556751e1804cb08b360dffe0087a742517a55ab57bbe319d

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
SignatureyIjrlagPzUfwt3Xur10z84tVWSzVJviVRfWOJr/U+TpWA+dX/uB4sgTCGdJw1RMMQ+wObhm/RoMpwlkQq3+WBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:52.770459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084902
observed b413b175891c973ff2517773f132e8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.749834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084902/manifest.json
observed 165d44fce6e647c9556751e1804cb08b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.732652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084902/publication.md
observed 16c9c9c781d2976787eaf4f7a6392397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:52.713954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084902/publication.txt
observed bd7122b65943fc7486532af19e475872...
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.