OpenTechnical

OT-2026-000047135

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000047135) never changes.

Identity and time

Publication numberOT-2026-000047135 · never reused
Internal UUID01a0ae7e-d0f8-7be1-93bf-b56fafdcb680 · 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-2026-000047135
StatusPUBLIC

Content hashes

Canonical text767bc118227aeeafd0dd985f45f1c9d1cb8fc1e9af8825f89e71bdf5f6d2a838
Markdownbe56b36422460c6e09696db3b1b8620fd235909fd111df0484ab508455fe19ca
PDF
Publication page4e56d4a55e8e580ee82f460e748e668902c255c51da33a831855b93728905f70
Manifest04e085c16799c7d63c23971638a9b490d28688ceff8e2ba525e894d1bd94be61

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
SignatureB8FjU/LPH6fT/ud2PTwI0Htu35zOI+RmXTJnpMrg3k5q7IJUU9i9lK2OppUvB3oUuZvZP8xNtpvxx33MqM0EDg==
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

2026-09-17T11:10:28.161033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135
observed 4e56d4a55e8e580ee82f460e748e6689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.141770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135/manifest.json
observed 04e085c16799c7d63c23971638a9b490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.119656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135/publication.md
observed be56b36422460c6e09696db3b1b8620f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.100426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135/publication.txt
observed 767bc118227aeeafd0dd985f45f1c9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.423158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135
observed 4e56d4a55e8e580ee82f460e748e6689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.403031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135/manifest.json
observed 04e085c16799c7d63c23971638a9b490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.385226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135/publication.md
observed be56b36422460c6e09696db3b1b8620f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:56.367747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047135/publication.txt
observed 767bc118227aeeafd0dd985f45f1c9d1...
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.