OpenTechnical

OT-2026-000085214

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000085214) never changes.

Identity and time

Publication numberOT-2026-000085214 · never reused
Internal UUID01a0ae99-43ba-7c26-a55f-7b1a25089604 · 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-2026-000085214
StatusPUBLIC

Content hashes

Canonical text59f945c32b707a09852e1c6e03fbd89ae742a7228efbf3e69feb98e61d337798
Markdown635b139167d9c863c8b5b5e44477e6be285dffc52f66b3e507cb8325d6ce5e9d
PDF
Publication pagedff4bea4ab3b4dbb660cd2d6218a50d808e4d5016b1ba9deeba7fea6f6b5cc19
Manifest05c0044fe41878970cbe28c04fd766995eeb38a3ca0ebfef0fadc1f56f610fab

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
SignatureJODgK9UdRRMYzeaQ8bX90vZTJKH7G1Z2NaC/u54xBZQ9tT5uo0H7ayNU1HTmYxdsuOJ9M5k83Q6ryNy5m7bvBw==
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

2026-09-17T09:55:18.577194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085214
observed dff4bea4ab3b4dbb660cd2d6218a50d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.560795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085214/manifest.json
observed 05c0044fe41878970cbe28c04fd76699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.541661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085214/publication.md
observed 635b139167d9c863c8b5b5e44477e6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.522400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085214/publication.txt
observed 59f945c32b707a09852e1c6e03fbd89a...
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.