OpenTechnical

OT-2026-000060572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000060572) never changes.

Identity and time

Publication numberOT-2026-000060572 · never reused
Internal UUID01a0ae8a-b7cd-7547-adc7-47ba2ef774fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060572
StatusPUBLIC

Content hashes

Canonical text82b419da90b69e32bd9725f263de9ff98c95a54cf0489948b989e83fa8b787a3
Markdownab00e14eabbc8f8620e9a83f92fb4a3be4aee52bb82546dafa702801b8224aa5
PDF
Publication page5e33c1c1320d13ea5148959bcd06be67d8d40241bc5c66afac529f95225dbbaf
Manifestccf08ae36996ce89364e789dae9b2b33098cf4c0c32fdb85b28f93d88bc7ce66

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
SignaturexsLvL9D35x8KS5D4xNIPoNJUsQD/JemOvAMdnd6W+XYGtW8fLK8fA1b3TpZo4IZ5Wx0AxQkKIGJPHG1FWeQXCA==
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

2026-09-17T10:43:11.342111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060572
observed 5e33c1c1320d13ea5148959bcd06be67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.324254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060572/manifest.json
observed ccf08ae36996ce89364e789dae9b2b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.305837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060572/publication.md
observed ab00e14eabbc8f8620e9a83f92fb4a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.288780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060572/publication.txt
observed 82b419da90b69e32bd9725f263de9ff9...
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.