OpenTechnical

OT-2026-000055989

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000055989) never changes.

Identity and time

Publication numberOT-2026-000055989 · never reused
Internal UUID01a0ae87-0a4a-7e0c-9622-8d072fa9c777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055989
StatusPUBLIC

Content hashes

Canonical text63c630b4816d74a96030804da9026e54def4e3e9b9514102778027c9059fd8e5
Markdowndbbb5bc733cd0aee6288d76b6fe6c7f0e3308e8a8a163c85b2586c124f4b0649
PDF
Publication pageea4826a3b9d35135f44843be6c39b48eff72984e4f7db33ade6b84f9d3aa70e4
Manifest75c20f5598e62b5bc4ed2d3c2a365dfafea10a9d4272b3119de1d7dd2a7413e3

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
SignaturebVRJ06vip/pRj46+1f81p3bm+6agZ6mxtXTsFQ0CwlfFFetBCieYUSttxfyQ0FwS8So2g/cWQs8VL3QgBD4pBg==
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

2026-09-17T10:51:30.772003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055989
observed ea4826a3b9d35135f44843be6c39b48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.755185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055989/manifest.json
observed 75c20f5598e62b5bc4ed2d3c2a365dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.736996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055989/publication.md
observed dbbb5bc733cd0aee6288d76b6fe6c7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.719653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055989/publication.txt
observed 63c630b4816d74a96030804da9026e54...
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.