OpenTechnical

OT-2026-000015585

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000015585) never changes.

Identity and time

Publication numberOT-2026-000015585 · never reused
Internal UUID01a0ae6d-ef4c-7b3f-a23d-0dfe66e853ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015585
StatusPUBLIC

Content hashes

Canonical text7af29d0bc28ded60ece8d959b3ce4cca3c9373551d5f0a5d1d1440731aa8aafc
Markdown37fcfe649df47b7169ccafdeffdedb56666595c4242f2a6e364f6d3d536836e8
PDF
Publication pageb59d00000467977bbc141639991660fc3bb9a835ed3af89cef4357b7436b64d7
Manifest8c90506e17664203f2e3e120224e748b13df25a64808644f0fcf00dce2a23631

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
Signaturenc42bfvY2BVdHv9FdP/NPya2w0k+XPFIpaaGvmxx2791qtqx0A7QbwyqozGc+x8sQHVBid9iIlYfeR+IEOa7AA==
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

2026-09-17T12:06:22.949230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015585
observed b59d00000467977bbc141639991660fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.930150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015585/manifest.json
observed 8c90506e17664203f2e3e120224e748b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.911512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015585/publication.md
observed 37fcfe649df47b7169ccafdeffdedb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.891544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015585/publication.txt
observed 7af29d0bc28ded60ece8d959b3ce4cca...
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.