OpenTechnical

OT-2026-000062286

Publication integrity record

Foam pad vacuum gripper, pump fed, vented 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-2026-000062286) never changes.

Identity and time

Publication numberOT-2026-000062286 · never reused
Internal UUID01a0ae8c-0abe-7438-8ced-58fa171d23e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062286
StatusPUBLIC

Content hashes

Canonical text5dfee239e3141c84478d9792902fec31587e388712bee7abde3de764ff486f45
Markdown270b2cdc901c935c1be8ca32207b3d17573f050c6b1cf96899aaedbb02dfaff5
PDF
Publication page3c0b24591bbbdd0a509fbb766251585b3329cbb6fd78b2e34de4278f2d04720c
Manifest761ac17ff398832c6c579684cd44516ef52abf3cd31821546ae4323aee0fb4cb

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
SignaturevrZ0YBrCAbOTgc1t8EHoLNqv1Uz+hH8UFThIBh/LQDChuttdNyX6IkVVJacoZWaYTBIJEpSEg5tfuqMjxTl8DQ==
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

2026-09-17T10:39:34.307198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062286
observed 3c0b24591bbbdd0a509fbb766251585b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.288691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062286/manifest.json
observed 761ac17ff398832c6c579684cd44516e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.270488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062286/publication.md
observed 270b2cdc901c935c1be8ca32207b3d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.249997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062286/publication.txt
observed 5dfee239e3141c84478d9792902fec31...
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.