OpenTechnical

OT-2026-000104212

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000104212) never changes.

Identity and time

Publication numberOT-2026-000104212 · never reused
Internal UUID01a0aea5-3420-7675-bd34-8575fd6c4109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104212
StatusPUBLIC

Content hashes

Canonical text8117e7dfd5f49c1de3c2418dfb2e32403b78cde58c259447b57d2bfe54475807
Markdown6ded1085b46c6f6a957a3a759ab344b5fd18c41dcf6560c6d812d3879fe4b319
PDF
Publication pageeb8890e3a8a3bab63a4c3a37065b36a20694df26fe04816fc84ad6d81cfea1d9
Manifest60efd438474fc69849e24eac05b9538a8e745e6976d7221259c7c11a6683406a

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
Signatureo0WjQ/YcSD3wzMaD5eC6R4Q8t/diY/eldkzSfj6H8trfmkZuYwayh0gl+5FpJGEZDHYoBiEcyys6tnue+8KfDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:18.799778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104212
observed eb8890e3a8a3bab63a4c3a37065b36a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.780825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104212/manifest.json
observed 60efd438474fc69849e24eac05b9538a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.761793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104212/publication.md
observed 6ded1085b46c6f6a957a3a759ab344b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.745261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104212/publication.txt
observed 8117e7dfd5f49c1de3c2418dfb2e3240...
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.