OpenTechnical

OT-2026-000019040

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000019040) never changes.

Identity and time

Publication numberOT-2026-000019040 · never reused
Internal UUID01a0ae6e-d523-7ad8-8380-696140302bb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019040
StatusPUBLIC

Content hashes

Canonical text43573dad5130058225742c9c3a8d39aa905d2ba8a0067de522492cbef1a87559
Markdownbde606f66a56d56acbccf5341ef2ae636b0f5be67110cc79a4fdfed302b915b1
PDF
Publication pageb58d069252aca65c4180a3abe5b318fccccfd297e9130ff4471d9b1727272717
Manifest4613bb762ba0389ec55dacd373cb29541e06eccc3be8bf78483d220f29ba871b

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
SignaturePHPTsWlvOn2gkdf+gijGwlXmVzalh8RKDWvLOl/UxdX+e1yfHF6ZTGjZXFI/e8SSkFAI/8XphHJuoR3VcGgGCw==
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

2026-09-17T11:59:43.919441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019040
observed b58d069252aca65c4180a3abe5b318fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.902785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019040/manifest.json
observed 4613bb762ba0389ec55dacd373cb2954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.884460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019040/publication.md
observed bde606f66a56d56acbccf5341ef2ae63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.864701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019040/publication.txt
observed 43573dad5130058225742c9c3a8d39aa...
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.