OpenTechnical

OT-2026-000018299

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000018299) never changes.

Identity and time

Publication numberOT-2026-000018299 · never reused
Internal UUID01a0ae6e-b489-7b76-a33a-e9ded572c5d5 · 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-2026-000018299
StatusPUBLIC

Content hashes

Canonical text84f960a054db9d808f3fb1e61531d0b80dabb6ac24a48d1ec5cc3912371534a2
Markdown80e3dee392580e27151825fe1657e8f78241a557968d9613a17eb649b239b0b0
PDF
Publication pagea35f2cb4306d11a3c0e0e43e37b806ee4bdce7606b0778510fe2b032d1eac9bc
Manifestd2859a845593463f8367c65cd5d4293b97ca228a4f849a7e9a90d4ec345c5698

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
SignaturetzHe5+gYCXpA5aMPhZGPkOAjg8vbFBQFljX/hiOF1ijIHc11Z6gpYmcv+ZVWjmWTCRyIgYu75+OX73o5oTeYAA==
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

2026-09-17T11:59:50.053784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018299
observed a35f2cb4306d11a3c0e0e43e37b806ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.035911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018299/manifest.json
observed d2859a845593463f8367c65cd5d4293b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.002603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018299/publication.md
observed 80e3dee392580e27151825fe1657e8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.969853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018299/publication.txt
observed 84f960a054db9d808f3fb1e61531d0b8...
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.