OpenTechnical

OT-2026-000018707

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000018707) never changes.

Identity and time

Publication numberOT-2026-000018707 · never reused
Internal UUID01a0ae6e-d520-7564-82f5-78a3865b8e09 · 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-2026-000018707
StatusPUBLIC

Content hashes

Canonical textcf4477b6501aa0b13b6d00e0d4309f54020aaa6f73b085abe6e63f8b6437f97d
Markdowna2d9b994ab01a64b4ec6a9332d0f56825dd9d646b716c8469dc6289b1eab9582
PDF
Publication page52dadc2f21e3a92b84872cf36b11f922ed89c97af6771ade08b9d523715aab2d
Manifest1c478decd9825140ac0c608d05791619e45c9ee2c240d48ed6fda3491009622e

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
Signature6Mk4Kq0LOQyHzste40gXTCa6k+I66ZRlLdjMZqy160moAahTM3WAW0T+Xx8f3UepvLoPDF+h1GJWLXL+rI1bAA==
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

2026-09-17T11:59:04.000105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018707
observed 52dadc2f21e3a92b84872cf36b11f922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.981128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018707/manifest.json
observed 1c478decd9825140ac0c608d05791619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.961434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018707/publication.md
observed a2d9b994ab01a64b4ec6a9332d0f5682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:03.943728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018707/publication.txt
observed cf4477b6501aa0b13b6d00e0d4309f54...
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.