OpenTechnical

OT-2026-000055181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000055181) never changes.

Identity and time

Publication numberOT-2026-000055181 · never reused
Internal UUID01a0ae86-5e83-7be9-9e35-61b409fd4a8a · 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-2026-000055181
StatusPUBLIC

Content hashes

Canonical text9d5268f826ce201f3a8debfc8827a1f0ef4f37b95b218e478bb24bd917e7e83d
Markdownd908b91da1b4964451458fc684f6ae10c3abb3d3d7ae47cb4f4cddc922bc4bfa
PDF
Publication page875b77c93c306ad261f4faaf2ab2f6213e2ce56cf0010e0cf59bd3f71560dcb9
Manifestbbab3db582bd4133d12eceb632a8e0cd333cd4cfc170615167c8673db30e85ce

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
SignaturepTk7hzOj5jGD3s/cO7w/ylWQzTV4bMjl53OVOZ1zZiFx4Y0EHqNivsnSsfyzBZK7Oo+hhUFUuNjN8afPUsrKCw==
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

2026-09-17T10:53:22.286789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055181
observed 875b77c93c306ad261f4faaf2ab2f621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.271452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055181/manifest.json
observed bbab3db582bd4133d12eceb632a8e0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.254058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055181/publication.md
observed d908b91da1b4964451458fc684f6ae10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.234929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055181/publication.txt
observed 9d5268f826ce201f3a8debfc8827a1f0...
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.