OpenTechnical

OT-2026-000060200

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000060200) never changes.

Identity and time

Publication numberOT-2026-000060200 · never reused
Internal UUID01a0ae8a-5a73-7351-82ae-ba1275d94dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060200
StatusPUBLIC

Content hashes

Canonical text3c2bff6773ecf3ce87d13d7ef0b326f099f2036f9061c5c8d10d1c79bc7bbc78
Markdown4f22fc4eadab7bcceb9ea921d234e4edd7a6043e025c3a7ed73494ce5920263f
PDF
Publication page2897ca49ae68e0e55a877446ebb8713c4135204529c8cd84e59d5c162412008f
Manifest539d121ef54819b9346f63a00ba981929622bcf750e586e3c5fdde7a39a07d52

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
SignatureTnU44QI81qJnCyAzI+woOYaDjHLdMFDoPTwegz0ljVdNlVxTpOnmffzIgMu0Vl9aEqDbc5GaRWRwmA2hKHnjCA==
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

2026-09-17T10:43:52.271688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060200
observed 2897ca49ae68e0e55a877446ebb8713c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.253612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060200/manifest.json
observed 539d121ef54819b9346f63a00ba98192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.226058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060200/publication.md
observed 4f22fc4eadab7bcceb9ea921d234e4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.197361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060200/publication.txt
observed 3c2bff6773ecf3ce87d13d7ef0b326f0...
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.