OpenTechnical

OT-2026-000018319

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018319) never changes.

Identity and time

Publication numberOT-2026-000018319 · never reused
Internal UUID01a0ae6e-b489-7c2b-9db3-113863e4ce94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018319
StatusPUBLIC

Content hashes

Canonical text8c95309d2cb352a86449e04de73d5e842b9531cc611780027d1de455ab17421e
Markdownadfda5c4ce7068c9227b9de97eeccf58bce4c2510835d148251907db2c977537
PDF
Publication pagefc54554d1e0f1cd9eb75e535435d50793cd0601fe6acd3bbbe69966068ed6c5e
Manifest3fbffb81fd24eba07540b24adde36e98b5ef7fb90e953093c20fdc8c404025bb

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
SignaturekeLPtI4QPOOfiH502tFz8RBzpRKk+5gLQRCKFHHDcmVmaPTRsriggjd+PPF2sCgZzGUvWAzaNyaLN/QuUmGTBQ==
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

2026-09-17T12:01:03.362655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018319
observed fc54554d1e0f1cd9eb75e535435d5079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.346548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018319/manifest.json
observed 3fbffb81fd24eba07540b24adde36e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.330097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018319/publication.md
observed adfda5c4ce7068c9227b9de97eeccf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.313955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018319/publication.txt
observed 8c95309d2cb352a86449e04de73d5e84...
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.