OpenTechnical

OT-2026-000047255

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000047255) never changes.

Identity and time

Publication numberOT-2026-000047255 · never reused
Internal UUID01a0ae7f-3e56-77e5-9fa6-f1cb1fde9b86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047255
StatusPUBLIC

Content hashes

Canonical text85a10fe26b5b2994e05b4b4db0c0c319169a1085873da3303a01bdbc00adbbd1
Markdown4dd4d417311885bd65d75d86781c114d92f45a91ef396c2f407743f301e03eac
PDF
Publication page2fa64a936b6bbc2a9e5b9eee4638f8cdcefd0447a5fa625c5d093b6ef864b66a
Manifestc61a2fa726340ea657b049d2cafc9f800ce3e026dfff57f41df52130bbc808f1

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
SignatureOLg6aZ0F7OPgeH9CdybrAKsbEaQzqqOmKJTNpvjyIZQGHeFMTraASgJxFyVJ8jtpzScnknCQB/SrsQBLlOdpDA==
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

2026-09-17T11:06:13.003972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047255
observed 2fa64a936b6bbc2a9e5b9eee4638f8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.984785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047255/manifest.json
observed c61a2fa726340ea657b049d2cafc9f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.966335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047255/publication.md
observed 4dd4d417311885bd65d75d86781c114d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.917427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047255/publication.txt
observed 85a10fe26b5b2994e05b4b4db0c0c319...
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.