OpenTechnical

OT-2026-000046987

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000046987) never changes.

Identity and time

Publication numberOT-2026-000046987 · never reused
Internal UUID01a0ae7e-d0f6-791c-bb37-031e09a700fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046987
StatusPUBLIC

Content hashes

Canonical textb459380443be0aeffbeffe1765e227ecd683a9023bacd4d2c903f61d3eb45f3e
Markdownc51d5d838cda5a9ac5398906575c04da3f4084a9aa130c15809025fbc61b69dd
PDF
Publication page2b371f9e6b182277b0b0cb40aeb4b037fa786dbd30a3961fd687ce6c1c0b57d7
Manifest0351b4ae28fdd9fc7ece48b6eaaae33147b2331b81d5521fea6e9ef53ff223bc

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
SignaturerKuZIvVMii/S/UJwaDIZSGNmgOEt9iiyYRdGJijL5gjS1wc/Lc3ojGfQRSCqiIKqa0eah6eUoDjERwahBpBIBw==
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

2026-09-17T11:10:15.438415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987
observed 2b371f9e6b182277b0b0cb40aeb4b037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.416416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987/manifest.json
observed 0351b4ae28fdd9fc7ece48b6eaaae331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.395040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987/publication.md
observed c51d5d838cda5a9ac5398906575c04da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.376071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987/publication.txt
observed b459380443be0aeffbeffe1765e227ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:43.913330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987
observed 2b371f9e6b182277b0b0cb40aeb4b037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:43.893783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987/manifest.json
observed 0351b4ae28fdd9fc7ece48b6eaaae331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:43.875537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987/publication.md
observed c51d5d838cda5a9ac5398906575c04da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:43.857762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046987/publication.txt
observed b459380443be0aeffbeffe1765e227ec...
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.