OpenTechnical

OT-2026-000068293

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000068293) never changes.

Identity and time

Publication numberOT-2026-000068293 · never reused
Internal UUID01a0ae90-2480-71e9-bc85-92b2048ce903 · 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-2026-000068293
StatusPUBLIC

Content hashes

Canonical text593bc269157ddadae939468167ef3be997144fabf7a49c1e6c16f0e917260899
Markdownee061627b539f69649f599a3460e6cfdb315b1a31a153b31843276d2f9bb3a78
PDF
Publication page61e4f02e648a097b6a88b14d1f9b21dbb2e2237e7b2039b830cdbfb88804e94b
Manifest813bd1c31b4dbd3b42acc523e430aa50ed6dfadb536bbb111af85faeaa28d3b8

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
Signature9Cx8jkcYVoxNMBUuvkyXgpKC7PfLD5r7wZJ/YLv35NxKumD+80nC8cF4lNxX0K95Y/2it9Sa13N71dL8B57tBA==
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

2026-09-17T10:29:19.629826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068293
observed 61e4f02e648a097b6a88b14d1f9b21db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.612643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068293/manifest.json
observed 813bd1c31b4dbd3b42acc523e430aa50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.594310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068293/publication.md
observed ee061627b539f69649f599a3460e6cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.577675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068293/publication.txt
observed 593bc269157ddadae939468167ef3be9...
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.