OpenTechnical

OT-2026-000058504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000058504) never changes.

Identity and time

Publication numberOT-2026-000058504 · never reused
Internal UUID01a0ae88-f39b-7ea2-b15b-e2159d28a641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058504
StatusPUBLIC

Content hashes

Canonical texta0b4437315f0108465e831c60c9dc75ee24cce82a4a6e387e1ba2d97450bdb67
Markdown38b2627835f46dbea6b913243a175eca0b317f7ae02dea72ca20ebdf3eadf9dc
PDF
Publication page3ef681b8d39e5870fb508d30a5f158177e9d8bda47f3149a5efc648dd0bd8b88
Manifest17953fe4c685281cb88c7c64760563f0072698b369d8e96066972bce59884de3

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
SignaturestwnR7EHozhpfdgHHiQY/PxvOblssp9k3K+/e3hWozXcmBEBpru1dGH7jpvAzHAVGxSCPo31y4BDy0eaBKsnBw==
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

2026-09-17T10:46:57.725346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058504
observed 3ef681b8d39e5870fb508d30a5f15817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.708105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058504/manifest.json
observed 17953fe4c685281cb88c7c64760563f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.690643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058504/publication.md
observed 38b2627835f46dbea6b913243a175eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.673852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058504/publication.txt
observed a0b4437315f0108465e831c60c9dc75e...
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.