OpenTechnical

OT-2026-000013274

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000013274) never changes.

Identity and time

Publication numberOT-2026-000013274 · never reused
Internal UUID01a0ae6d-6fc9-7a30-86d5-ed9e00c774b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013274
StatusPUBLIC

Content hashes

Canonical text189674b90dfc51eb65f6da38eb23f2b0e4abbc234e47f9d84bc9388c7e137a36
Markdown7eb59765cb866c1e36528ab083996b89d7ccfb97607dd8ec05ba9cf5e4444696
PDF
Publication pagec98f82f65b4f35235b6d234ad1cdbb8d79dd5a786d76d62ed8c85aa5bbc6f57c
Manifestc76be7d0594ab59d99c2bef3df7d8517dc877f7b329e39606c1021dcf108a039

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
SignatureHN1NJXIdtYQ2P6qvDN8RhcVSSMEtiUKN7R05NK7Fny1QkHpiFPN2fEINPI8uYyOSpxP4eZZbHpnwaHujVEBYBQ==
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

2026-09-17T12:09:41.292063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013274
observed c98f82f65b4f35235b6d234ad1cdbb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.271293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013274/manifest.json
observed c76be7d0594ab59d99c2bef3df7d8517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.252283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013274/publication.md
observed 7eb59765cb866c1e36528ab083996b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.232399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013274/publication.txt
observed 189674b90dfc51eb65f6da38eb23f2b0...
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.