OpenTechnical

OT-2026-000017047

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000017047) never changes.

Identity and time

Publication numberOT-2026-000017047 · never reused
Internal UUID01a0ae6e-591b-7d40-88ba-0d885ec96567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017047
StatusPUBLIC

Content hashes

Canonical text78a91c9813b281cd82ba66263405f65ef0537c507aafef2725b28304ac2492c3
Markdowndcd0d5d97d25b8ec85f8374946dfa99c970faeef09a55cfe9a7619696042ccbc
PDF
Publication pageb51ae4cdbb425f082e26ab3504b17cf3593d36bcb7929f2a0e782b97c1ee641b
Manifestcfe015ee5f25b926c807b712abb9d5ccf959b7084eb401a8fcc33fe0e60129a3

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
Signature2Yb1AUvHecVNf2l8eaNhEmHHZm9YCLMWoFvq17KF877M6j6Nb2shsEndatLN9gdw7UyvMzz9BvqbcT1SqtF2Bw==
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

2026-09-17T12:03:27.765604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017047
observed b51ae4cdbb425f082e26ab3504b17cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.747896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017047/manifest.json
observed cfe015ee5f25b926c807b712abb9d5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.731330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017047/publication.md
observed dcd0d5d97d25b8ec85f8374946dfa99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:27.714181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017047/publication.txt
observed 78a91c9813b281cd82ba66263405f65e...
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.