OpenTechnical

OT-2026-000060237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after set-down

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-2026-000060237) never changes.

Identity and time

Publication numberOT-2026-000060237 · never reused
Internal UUID01a0ae8a-5a73-77be-a987-40a4d38aecc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060237
StatusPUBLIC

Content hashes

Canonical text57f7e46e53ac650d6eccda4dedd980936997f6ed7e8d439503e411380e7a97f6
Markdown172c3420f4cbaa6ec989dd687ef05116cffc62aae8f34f0a807057a40ea325b4
PDF
Publication page21610f51940d74dba976a34cd20163c75ddc734a2ca461716ae00092697a5275
Manifestd06cfc85421a7e028dffedaeb82847090f70a74f9c5a067db40728e028673f14

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
SignatureTG4wbpd4PHf4AfxC0oXfIz3bhVaBM8QjaGwEKkEu+kcUYQ2xqxyCxWFtwf8MldJx9AAAMq+P3ojKT60zBxF1Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:55.037699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060237
observed 21610f51940d74dba976a34cd20163c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.019898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060237/manifest.json
observed d06cfc85421a7e028dffedaeb8284709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.001656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060237/publication.md
observed 172c3420f4cbaa6ec989dd687ef05116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.983945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060237/publication.txt
observed 57f7e46e53ac650d6eccda4dedd98093...
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.