OpenTechnical

OT-2026-000018711

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-2026-000018711) never changes.

Identity and time

Publication numberOT-2026-000018711 · never reused
Internal UUID01a0ae6e-d520-7931-a8c9-0f4be829607a · 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-2026-000018711
StatusPUBLIC

Content hashes

Canonical texte7c7bbff5a451054b11e7b2d7df9fb0b5dfae2a225058b9396668450059a7351
Markdowncb57f1ef48a94214aa9f4b5c8a91e492e2b7559152138da41fc0a9213ce998a7
PDF
Publication page93bcf7903d1a592ca1e3bf4542796dbef1a56704efef58992fd019faaae2e9b1
Manifest4dd830ac7426b3ff7af03aabbb105633673bc96492d9d457990f28602b5efcaa

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
SignatureNLtPt4FxPPJMevFHnbNEonqrNlNQyENC6NUipup677NNyZkANyLQnKj1D0cEEAXDL+Kw2GAzugg5p/eIiLBwCA==
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

2026-09-17T11:59:18.796188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018711
observed 93bcf7903d1a592ca1e3bf4542796dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.777779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018711/manifest.json
observed 4dd830ac7426b3ff7af03aabbb105633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.760391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018711/publication.md
observed cb57f1ef48a94214aa9f4b5c8a91e492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.743201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018711/publication.txt
observed e7c7bbff5a451054b11e7b2d7df9fb0b...
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.