OpenTechnical

OT-2026-000047691

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000047691) never changes.

Identity and time

Publication numberOT-2026-000047691 · never reused
Internal UUID01a0ae7f-c41f-707e-b7c0-c1db2f196ee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047691
StatusPUBLIC

Content hashes

Canonical text7699dd662e6bde4dc7db22f49d762f8b83f0f8f17e5c5d15fcf1277d4856cf62
Markdown69423d038706ad0dcc5b651fb70a1446dfaffa14f73beca65fc333f38326d805
PDF
Publication page9d052004f0b9e2e4494dea5fd3590076561b22036d0ba0e7aeb12007b1259b98
Manifest27bc640406481868f7473d178fa7ef5173a6b2a82e962f0689fc9643df2b189f

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
SignatureqVta+kjW8RrLOykkuzjpFkss0wssMuk9EBSI0OMqsp54mU0m9l+VyOaacocEwM7K/mim6SEk9LLXTyHVAY3tDA==
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

2026-09-17T11:05:32.610358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047691
observed 9d052004f0b9e2e4494dea5fd3590076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.589754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047691/manifest.json
observed 27bc640406481868f7473d178fa7ef51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.570186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047691/publication.md
observed 69423d038706ad0dcc5b651fb70a1446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:32.548967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047691/publication.txt
observed 7699dd662e6bde4dc7db22f49d762f8b...
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.