OpenTechnical

OT-2026-000061629

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000061629) never changes.

Identity and time

Publication numberOT-2026-000061629 · never reused
Internal UUID01a0ae8b-7b45-785a-b979-5647ee0eeada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061629
StatusPUBLIC

Content hashes

Canonical textc9a3f3420cad256d42ef45c6f91ce823a4741737dbe22095c03d870de5cc5e3f
Markdown64d7e79c8d9c8db9acfa9e79a8873a0c07e2e34fec58239c2c0bd5f17e16bbc7
PDF
Publication pageb481526d261f0174a0b2ad1627da1353d35f0e1ed0679d41a90a3fff448b5a7d
Manifest3625eedf57052a06c4e4e26e00f609335f9508a6135140e2bc77a83b272aa1b0

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
SignatureUQMcR/8FdyaDPR/KHyY+uk4wYTvX8SucOp92jNIL0OPqh+DZxWQ3Dit/BfsSeyFMrU0HwKIvlid2o8E7Iq/rBA==
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...

Independent retrieval

2026-09-17T10:41:33.947487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061629
observed b481526d261f0174a0b2ad1627da1353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.927242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061629/manifest.json
observed 3625eedf57052a06c4e4e26e00f60933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.907695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061629/publication.md
observed 64d7e79c8d9c8db9acfa9e79a8873a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.885174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061629/publication.txt
observed c9a3f3420cad256d42ef45c6f91ce823...
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.