OpenTechnical

OT-2026-000062657

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000062657) never changes.

Identity and time

Publication numberOT-2026-000062657 · never reused
Internal UUID01a0ae8c-6388-711d-b859-89c25118f5e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062657
StatusPUBLIC

Content hashes

Canonical textda1713ead7ace774d4c4cf3e241af4414c9a38fe76b942ed0301ab53a6ee9c19
Markdown56347dadd3c21721c38f20b76bd1bc148c6700f845908c5f2978a2e39ea1c5fc
PDF
Publication page4f5f5a7d59bfc98447cbf902c6409f00ae0a7a4cb018c84394ffe7394c2a6aeb
Manifestf47d0d3a97915cdca9b3004d4cbbacc8bd268ad58a1268b922e72901c8d49208

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
SignatureFKUZgV2eWMjJC07GAw/07kbfmKNjuEjTqLBCQ9pAJdrD0JpuhGRekLPFJzwaUGCLl1BYZlZpAj34EB6dJnQNCA==
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

2026-09-17T10:39:12.668529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062657
observed 4f5f5a7d59bfc98447cbf902c6409f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.653124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062657/manifest.json
observed f47d0d3a97915cdca9b3004d4cbbacc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.638371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062657/publication.md
observed 56347dadd3c21721c38f20b76bd1bc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.623126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062657/publication.txt
observed da1713ead7ace774d4c4cf3e241af441...
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.