OpenTechnical

OT-2026-000055121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055121) never changes.

Identity and time

Publication numberOT-2026-000055121 · never reused
Internal UUID01a0ae86-5e82-7707-bc22-190d9aa3ad39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055121
StatusPUBLIC

Content hashes

Canonical textf96119dea495947eb55ac664dfe7a5d23b533320552e5a19d5cc25b2b4849eec
Markdownf19009ec79ba202c62a36c770abdd11df3debd9b5f1a85e0c5de4c1436770f14
PDF
Publication pagea439313092eea3da3dd3e4a520276d880eb0bb2bf2cd65d57c8cff47634bffaf
Manifestd019ea431974495070bd7bdab417baedd503bf37854564039f5cd60f3a98f56f

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
SignatureVj9E8yg+2bbc11AOQsbhzSajONp8eup2+4fue7NesrwXKXq5ssB/fvTI/3vBJl03pvUg5SjOLGw1pQlFc6iwDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:17.231850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055121
observed a439313092eea3da3dd3e4a520276d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.215122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055121/manifest.json
observed d019ea431974495070bd7bdab417baed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.195960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055121/publication.md
observed f19009ec79ba202c62a36c770abdd11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.178074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055121/publication.txt
observed f96119dea495947eb55ac664dfe7a5d2...
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.