OpenTechnical

OT-2026-000018787

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000018787) never changes.

Identity and time

Publication numberOT-2026-000018787 · never reused
Internal UUID01a0ae6e-d521-74a3-96d9-172404519fa3 · 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-2026-000018787
StatusPUBLIC

Content hashes

Canonical text87cc644e891df0a683ced017cf97d427e3fe868350ec1046388780415a5e2cfa
Markdowna7d5ea73019e6501ea7ccaa90e404d7a65888c0e573f734ea07a39cd06eee6e9
PDF
Publication page71c9a43a22b3a0a8f2c0fd8459e1aee582d2b517c2e72f7ab4dc28c8e2bb44e3
Manifest2b63b77b85f825f26b4870ed720ed545e5b7bb4acbe9975ec8d4213795325825

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
SignatureJ9fjR0159JDlcWujO0rHIEtwbwdN4CUvU6398CTL5+VKF+bp3JRLDo8iz5Xy4TSD+uepPGikuJqN5g6pEO13AQ==
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

2026-09-17T11:59:24.767151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018787
observed 71c9a43a22b3a0a8f2c0fd8459e1aee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.751264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018787/manifest.json
observed 2b63b77b85f825f26b4870ed720ed545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.733669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018787/publication.md
observed a7d5ea73019e6501ea7ccaa90e404d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:24.715896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018787/publication.txt
observed 87cc644e891df0a683ced017cf97d427...
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.