OpenTechnical

OT-2026-000095928

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000095928) never changes.

Identity and time

Publication numberOT-2026-000095928 · never reused
Internal UUID01a0ae9f-fac8-7a2e-8a67-42e6462fc62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095928
StatusPUBLIC

Content hashes

Canonical textef0c9c897d5f9ed8b014b6be4ad5cd934ad46838ada23566d7261619d0aa47ef
Markdown45b4d2fef2b64371aca552a085b781b9ba818dea59013310112ab90adb1ed26c
PDF
Publication page049d54a84d7a9bea2ebac50603fd54bbd6c1b13e5762d7ff4f83626008ee7df9
Manifest35b25d2f6d81b2e13f9773f456c34cfe40ca890a8cd6a76400b7363e76191240

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
SignatureGX4SFKHvQrihT7SlmLzX45zc7/dWLNixeSLIWvlSioVx1UkLjcmAsOAq7Zg2Jtpjx389/bpIzrrLA9FaqWwtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:01.958324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095928
observed 049d54a84d7a9bea2ebac50603fd54bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.940335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095928/manifest.json
observed 35b25d2f6d81b2e13f9773f456c34cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.921507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095928/publication.md
observed 45b4d2fef2b64371aca552a085b781b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.903696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095928/publication.txt
observed ef0c9c897d5f9ed8b014b6be4ad5cd93...
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.