OpenTechnical

OT-2026-000005029

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed, contact triggered

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-2026-000005029) never changes.

Identity and time

Publication numberOT-2026-000005029 · never reused
Internal UUID01a0a92b-91ad-7643-825c-69be1bbc6db0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:19.984189Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005029
StatusPUBLIC

Content hashes

Canonical text62b1cfac8686e6d51760fe24e69222bafa5a8200d45612e31ffd4bde142d366c
Markdown89be00a96754d6d957d086be50ebfc485d3dd798367763ac62c976bd06e9dab9
PDF
Publication page5356f1b777e2dbcac5ec3a9e6d6166f6eb3306dad539b37f8fa94694243a0dde
Manifest776738bcc3af809768b216696db62ef10f0912d4652920154985396a530224ed

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
Signature3ogYw804qRLxaWYgv2EnmjCRMPFWSPQwZRKVto5cbs1W4eKXJg5NYh5kq2+S4U0uNgvVqBvtFJiThCtAaz9fAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:23.196250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005029
observed 5356f1b777e2dbcac5ec3a9e6d6166f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.182886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005029/manifest.json
observed 776738bcc3af809768b216696db62ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.167934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005029/publication.md
observed 89be00a96754d6d957d086be50ebfc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.151443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005029/publication.txt
observed 62b1cfac8686e6d51760fe24e69222ba...
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.