OpenTechnical

OT-2026-000033875

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000033875) never changes.

Identity and time

Publication numberOT-2026-000033875 · never reused
Internal UUID01a0ae75-a391-7bb4-b6bd-e54f841dbcf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033875
StatusPUBLIC

Content hashes

Canonical texta0e97344ae84d3127686d1cd0c4883dd11776dfd775aaeff7eb34d3d344fd41d
Markdown68a8c513248166234ced621b431f495576a820f4e95f7c95bd6eacb56f0ffe32
PDF
Publication pagea055dde94adef0b6ad6ef2d5174f327b4ffefdbc03b572686c781d61dbadd930
Manifestd2e9b4dbcbaca007d8479f6401d7f1f201ef6277ab19b42331d3ffe1112643a4

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
SignatureaynV97MVpmwRlMGqWPD3YCWJyymRfhWdKXrBvGuzWF8PK7sCNi8CN6XnOGSEuHzEWyE4KZYV3PZE7tPEuSlSCw==
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

2026-09-17T11:31:56.572766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033875
observed a055dde94adef0b6ad6ef2d5174f327b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.553593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033875/manifest.json
observed d2e9b4dbcbaca007d8479f6401d7f1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.535750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033875/publication.md
observed 68a8c513248166234ced621b431f4955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.516949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033875/publication.txt
observed a0e97344ae84d3127686d1cd0c4883dd...
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.