OpenTechnical

OT-2026-000068643

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000068643) never changes.

Identity and time

Publication numberOT-2026-000068643 · never reused
Internal UUID01a0ae90-2483-7cf5-a3a3-ba60dac18d0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068643
StatusPUBLIC

Content hashes

Canonical text04daf2affcbf262b1ad73d1ebfb1e44c1d516e730810f918ae4dd4791f1065c7
Markdown1d3720855f5f29a15392cd9ee6fccff374c4665e929867a82340145caddb6aba
PDF
Publication page7c0ba7615a1e60a1796e0a58647a1cbbd030087ee22438cff11f996984a4ae00
Manifestb08c4dcfd8d8f4d9c0d762a11a57624572b07231468a53f59f29003026b13db6

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
Signature5I2Rr/PkPZe8PRyUoupgo2F8dMcVNOzwtNi6r6qjJwI0EzMtre3rmVsvhlrXuJtNiQVTJKwVVn4CkI8ocyTVAg==
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

2026-09-17T10:29:50.161344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068643
observed 7c0ba7615a1e60a1796e0a58647a1cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.140375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068643/manifest.json
observed b08c4dcfd8d8f4d9c0d762a11a576245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.115995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068643/publication.md
observed 1d3720855f5f29a15392cd9ee6fccff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.097371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068643/publication.txt
observed 04daf2affcbf262b1ad73d1ebfb1e44c...
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.