OpenTechnical

OT-2026-000054549

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000054549) never changes.

Identity and time

Publication numberOT-2026-000054549 · never reused
Internal UUID01a0ae86-1283-798f-b43b-9b10e4d5d583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054549
StatusPUBLIC

Content hashes

Canonical textdc141acc7878737500feaf0f69a57e03e2330887fd225d47f5d7dbc07942868c
Markdown63a2442082139ed88bf0a7c609f455a346a9aac2f1eae84970a5fb576b3bef9f
PDF
Publication page92dadf95470abd6b8a87bc4c689fb64b66adee3bdc5d2538b97f864bd43ac7a5
Manifest1e8f57119eddcd3aa519119c9cd226ed898fd8f27f9106e4ce73ea3b6400cae1

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
SignatureCz/kmGHoxq8Zug50kkzdMvgCoMHCS6S9u7JBdKNYdAoOTdPjFiSUM1J8i9xqatOIg9hVjFX3Zgaw0Tt5AP9zAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:35.195585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054549
observed 92dadf95470abd6b8a87bc4c689fb64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.178102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054549/manifest.json
observed 1e8f57119eddcd3aa519119c9cd226ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.157827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054549/publication.md
observed 63a2442082139ed88bf0a7c609f455a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.139636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054549/publication.txt
observed dc141acc7878737500feaf0f69a57e03...
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.