OpenTechnical

OT-2026-000031176

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000031176) never changes.

Identity and time

Publication numberOT-2026-000031176 · never reused
Internal UUID01a0ae74-87ab-764c-9da4-80bf80d32b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031176
StatusPUBLIC

Content hashes

Canonical text0258c46b235f0170b7560f174182cdba9459ab8b869c20aeeb913b2eaa2b007a
Markdown4fa49668e270eb3df5dc616edd5f4547d9d39be3bcb8503c2679e45f697921a2
PDF
Publication page580a4859c737ca188d5ef2439d12e544944797105fa647b269773050035e5b23
Manifestfe6471877fef45b314c0c1e8a35fa3a300822314fc05f23c29c25bfe44498724

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
Signaturepe3x/neHsYNnqSRqHcijVu4C0UMPXq7Geuflkf/jyP8hTuoS4jrBR5kWhwf19jPSPhTLFQP7NvVcPU/e9VedBw==
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

2026-09-17T11:35:43.798455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031176
observed 580a4859c737ca188d5ef2439d12e544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.780532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031176/manifest.json
observed fe6471877fef45b314c0c1e8a35fa3a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.762106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031176/publication.md
observed 4fa49668e270eb3df5dc616edd5f4547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.742600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031176/publication.txt
observed 0258c46b235f0170b7560f174182cdba...
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.