OpenTechnical

OT-2026-000100807

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000100807) never changes.

Identity and time

Publication numberOT-2026-000100807 · never reused
Internal UUID01a0aea3-66f5-73be-998b-9961576da2a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100807
StatusPUBLIC

Content hashes

Canonical text5423bcb52e4250922d21e3ffdbe07cbc9ef56ad1435d18f78eb4d9a684434526
Markdown9cc784e6d77f550f56121053654e3556019f239f795e0b6650aab76bd248a476
PDF
Publication pagea6777bcb6ce601d2360411ce582922686fa229a9feab1f3cfc8c032624e1560a
Manifestccbab421c6ce2674dc08117e41c6869602c843923d3fa3d14124ccd2ff3dd14a

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
SignatureRovzPRCHUS+WsyrrkdtusA3XE+b0XEES1tTVtGGL0nquniIfOnBMy/BNNja9N8np0RJxMvop4T7kLLvIdY5gBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:43.387677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100807
observed a6777bcb6ce601d2360411ce58292268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.370258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100807/manifest.json
observed ccbab421c6ce2674dc08117e41c68696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.354016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100807/publication.md
observed 9cc784e6d77f550f56121053654e3556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.335032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100807/publication.txt
observed 5423bcb52e4250922d21e3ffdbe07cbc...
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.