OpenTechnical

OT-2026-000048396

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048396) never changes.

Identity and time

Publication numberOT-2026-000048396 · never reused
Internal UUID01a0ae80-4de4-7bca-a51a-73a7021d1e40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048396
StatusPUBLIC

Content hashes

Canonical textad26aad3f11f54a4ae5e48471e61967e69676453533c350c0e6f997c97833438
Markdown3be827788e5b4fa6a1907e15321c56dcfcab81c3178840fc93485e927f720f48
PDF
Publication page79d2519558491c12bdd2443f176cf167c3ac7cc0293eb6a1d75bd0fb920e0d0d
Manifest11bba038557875ae07c6fdcb5e24e2745b7b86c57b7279b0912e3f7cc23d3c7b

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
SignatureNGl2nO6rE1VdRSs7IGDnplZiIMK91PJSBkfDoKHSZ6GRswTchI5Ovsdxe5WOo1fMs7U3YhNDoP68PqF1Qv/aAA==
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

2026-09-17T11:05:01.924865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048396
observed 79d2519558491c12bdd2443f176cf167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.902649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048396/manifest.json
observed 11bba038557875ae07c6fdcb5e24e274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.881600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048396/publication.md
observed 3be827788e5b4fa6a1907e15321c56dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.861638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048396/publication.txt
observed ad26aad3f11f54a4ae5e48471e61967e...
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.