OpenTechnical

OT-2026-000060132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000060132) never changes.

Identity and time

Publication numberOT-2026-000060132 · never reused
Internal UUID01a0ae8a-5a71-7ea4-8c62-37d45662714b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060132
StatusPUBLIC

Content hashes

Canonical text0c08d48c320d7f9d1369bb53dccac36db261412de33386c3bd0f5253588f0def
Markdowne6e9f86ed3d16d63e74ea68a48d2dee9516640d0774d5753755524c05478cb59
PDF
Publication page5e121af3aecaff9b0f9a8662db20859321f696e545e4c7f02afb84a3e608f76a
Manifest1450474518ba6cceecb24811a7ebcd122cf626276a39a575d27af370fb9a44ae

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
SignatureZi8WtcDdXN8pEzYwDR8VjJSt2idhKSfwsC24EfMNyjuwW5kLJJeIu0opRMxa951xTa+KpdkgQUsFIT5WLuEtDg==
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...

Independent retrieval

2026-09-17T10:43:47.109612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060132
observed 5e121af3aecaff9b0f9a8662db208593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.012945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060132/manifest.json
observed 1450474518ba6cceecb24811a7ebcd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.995825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060132/publication.md
observed e6e9f86ed3d16d63e74ea68a48d2dee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.979820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060132/publication.txt
observed 0c08d48c320d7f9d1369bb53dccac36d...
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.