OpenTechnical

OT-2026-000086994

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000086994) never changes.

Identity and time

Publication numberOT-2026-000086994 · never reused
Internal UUID01a0ae9a-80a5-74df-a8f4-3ccd236c2890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086994
StatusPUBLIC

Content hashes

Canonical text63ffd01c2e0453604e1dc9850db4a266e13ef98898c3f6f3206f9cfd9e76a842
Markdown45f06c784f0a662a401ac59d653d4b9e7f902238ac2eba44408cf8d7a9524fdf
PDF
Publication pagec1766605c84643a5ae170b438d21fc0869165a63016a4737e519b733a603fd5a
Manifest8ff5a547113625ae9cbe93b4f9bb18fd862f1900f8ff287699108fae8fdfcfab

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
SignatureiX7Vjp+5AXAYT0RJmIOcoyUzdy1GuilA38KQtvw2RYIPROwf03ix5m7tM2GAd4bNLwNOWCAgXrkMFqIFqq68AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:53.819160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086994
observed c1766605c84643a5ae170b438d21fc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.799530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086994/manifest.json
observed 8ff5a547113625ae9cbe93b4f9bb18fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.781844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086994/publication.md
observed 45f06c784f0a662a401ac59d653d4b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.765893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086994/publication.txt
observed 63ffd01c2e0453604e1dc9850db4a266...
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.