OpenTechnical

OT-2026-000015472

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000015472) never changes.

Identity and time

Publication numberOT-2026-000015472 · never reused
Internal UUID01a0ae6d-ef4a-764e-9f77-868234bfe9ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015472
StatusPUBLIC

Content hashes

Canonical text00cc6a33bd3e6d4eb82c8b57685089f37a0c1692936ce8ba991821a2325ab881
Markdownaeb1050c74be719d4ef54a1dffdadbab5d156cd3111bc9e0fbae8e5a94929fa2
PDF
Publication page9a954a34cbc1bc113018f30ca09650b37484d397768a09f19978f0b8cf63746f
Manifestabbbd0f1b0104b91d69971ca9a3cde31f3d8887b6116660499d8e23a97176a60

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
Signatures0v8dUVZ+PZfFdM1AHZrzQOYEmzJCzemw26H87UFVGZUh0Xhr4iqIfHKyYteQZcn+NUlJzHV9qHv9vKc8OyGBw==
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

2026-09-17T12:06:13.672983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015472
observed 9a954a34cbc1bc113018f30ca09650b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.653368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015472/manifest.json
observed abbbd0f1b0104b91d69971ca9a3cde31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.632491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015472/publication.md
observed aeb1050c74be719d4ef54a1dffdadbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.613271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015472/publication.txt
observed 00cc6a33bd3e6d4eb82c8b57685089f3...
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.