OpenTechnical

OT-2026-000033498

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000033498) never changes.

Identity and time

Publication numberOT-2026-000033498 · never reused
Internal UUID01a0ae75-a38e-7e3e-b458-f6e41f50dd62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033498
StatusPUBLIC

Content hashes

Canonical text668496f1b9a0769b1885be94d33803df75fd1e5b4d81002732cb29c206de1f7c
Markdown4f29f4f1e2f2be94ce755622363494a6d9ff84d80310e3d0334f1b82760f716b
PDF
Publication page5a407c42ea316f4bb86e6f896e56040898b32095327b05d28e3a6466090facdf
Manifestdc077757079bbe6fba2bb4f4110a7ecf59dc3ad9153aecef8974facc34026221

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
SignatureQvb4FbcDoWfQVaS984+Z+6Pwdwcb75UFQ0rUr6w87I0j/Ibjui/UGieCHjdZ/hJF8RocKsg4lWyEuYhCvoFzCg==
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

2026-09-17T11:31:20.903138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033498
observed 5a407c42ea316f4bb86e6f896e560408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.884906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033498/manifest.json
observed dc077757079bbe6fba2bb4f4110a7ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.869273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033498/publication.md
observed 4f29f4f1e2f2be94ce755622363494a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.849408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033498/publication.txt
observed 668496f1b9a0769b1885be94d33803df...
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.