OpenTechnical

OT-2026-000056668

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000056668) never changes.

Identity and time

Publication numberOT-2026-000056668 · never reused
Internal UUID01a0ae87-7af6-76ce-92e4-eca747edec58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056668
StatusPUBLIC

Content hashes

Canonical text9e46b76d62cce65f83e2a9b6ef429875ecfca7ec7b03cd1a4a47f2a44db82e91
Markdown4611d29ae0d6ddd739d4608bf8c211c2a74ec95bfcda59e483948cba2168025f
PDF
Publication pageaefda6126ae92f36489bef10baaf8637100bfb369a8f780e8e5e3fbe8353a2cf
Manifest86c4d9634d669b148be8416a06db0c7e8ca05f02e74d695ec446d634fa81f3ff

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
Signature/bxr0FBoCU2FaOI+trZLUzUXjM2AXZfC40Evw3Rig/4cMaS6HstIut3wvMDwFpbpybDV52WKZKSU47rxQy7wAQ==
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

2026-09-17T10:50:01.872415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056668
observed aefda6126ae92f36489bef10baaf8637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.855963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056668/manifest.json
observed 86c4d9634d669b148be8416a06db0c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.837449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056668/publication.md
observed 4611d29ae0d6ddd739d4608bf8c211c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.819432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056668/publication.txt
observed 9e46b76d62cce65f83e2a9b6ef429875...
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.