OpenTechnical

OT-2026-000050403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000050403) never changes.

Identity and time

Publication numberOT-2026-000050403 · never reused
Internal UUID01a0ae82-5c48-7917-b122-8c727e59ee6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050403
StatusPUBLIC

Content hashes

Canonical text691446c90a4d01aece4f13cdad524d40afc728a5210412a9caeb2b5d5a401de0
Markdown0a22f76cbc3f40be7534dd1c956de258ba172a16fe74904041702d59c3d50bc4
PDF
Publication pagef46dea2541460d05dc2de59465ad2d8ff6b2b0f46fd1ee9c9762124f38dbe1d2
Manifest104477398761b1647f5519a5cb7d5dd055d3dc1b796964b7f6075afd33a9fce9

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
Signaturex7DlkuORK6HitwH4iS5ca+/SKHK2/GXewFSuL7PVBo8wK/RiX6XtPHLGRwNi4fgDiSuFuqBxVib1lP4n2yySAg==
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

2026-09-17T11:01:26.700497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050403
observed f46dea2541460d05dc2de59465ad2d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.683160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050403/manifest.json
observed 104477398761b1647f5519a5cb7d5dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.667007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050403/publication.md
observed 0a22f76cbc3f40be7534dd1c956de258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.651782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050403/publication.txt
observed 691446c90a4d01aece4f13cdad524d40...
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.