OpenTechnical

OT-2026-000027941

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027941) never changes.

Identity and time

Publication numberOT-2026-000027941 · never reused
Internal UUID01a0ae72-a4a6-7bfd-9015-603e0b04f32b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027941
StatusPUBLIC

Content hashes

Canonical text98ff9163cc8240009d0a7c0589fc447132e7e349c242424b0a7d27d3090464f1
Markdownc1ca4e4b24a5f878a53199b9bc8c29dac788f787fe1020df8eda7343a7f32196
PDF
Publication pagee068c7d6fd06767d52150f4569ca55ee2b512a6691153e15d652b9747238a487
Manifestf2197f84e1798dcb21d66b6560be89dfcf4740a6f7c20933a06aeaaa75ff5ff0

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
SignatureAGIMqk9kpEsObf1xfkPDMXzgLW96x+g2cGxOAcwPiSpEIMiDLjGkjJ0Mc8b4tyA7fiP5ogj4hTwPISf9dMtzCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:07.442077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027941
observed e068c7d6fd06767d52150f4569ca55ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.425835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027941/manifest.json
observed f2197f84e1798dcb21d66b6560be89df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.407312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027941/publication.md
observed c1ca4e4b24a5f878a53199b9bc8c29da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.389204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027941/publication.txt
observed 98ff9163cc8240009d0a7c0589fc4471...
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.