OpenTechnical

OT-2026-000068646

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-2026-000068646) never changes.

Identity and time

Publication numberOT-2026-000068646 · never reused
Internal UUID01a0ae90-2483-7ac6-9daf-3f9ef1ebf55f · 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-2026-000068646
StatusPUBLIC

Content hashes

Canonical text09cb4a4cd12583f6ade24af91936d755b1aecafd3fd4e101c1b35b861dbc8c01
Markdown5bdb8868ee8414d0d7a741e5e1f376f860c4c0574e6fa485c62444dd48e9eba1
PDF
Publication paged31bd4260d3d996f8c0b4ff48147f7039f89d8da8b8fee67ba17441fc3a33892
Manifest1500e80b18defd5494f89c0628bf27282b3fce6230bb35f7272a4ef91054b024

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
SignatureJ598zC02VdrttR7/qnjPgTDLg2YIR4NMHdvyz6rsvLcRW2MuqPpGdcwmKw8LedCDhigaDw+tScCBnIalLKrcCQ==
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

2026-09-17T10:29:50.377625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068646
observed d31bd4260d3d996f8c0b4ff48147f703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.360141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068646/manifest.json
observed 1500e80b18defd5494f89c0628bf2728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.342533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068646/publication.md
observed 5bdb8868ee8414d0d7a741e5e1f376f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.325529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068646/publication.txt
observed 09cb4a4cd12583f6ade24af91936d755...
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.