OpenTechnical

OT-2026-000042960

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042960) never changes.

Identity and time

Publication numberOT-2026-000042960 · never reused
Internal UUID01a0ae7b-3277-77eb-85d5-f6d19b4642db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042960
StatusPUBLIC

Content hashes

Canonical text83dc92fbb819d15106afd6615722feb887de4aeb8f90ec5107110a2fe3a8f8e4
Markdowna1f082e220b91273c9e3d2a1513a6283aa1a2c4a2f69793a4c5ef0c607a36d3f
PDF
Publication page68e043cc32a22f17e3b60c42f7046d434784feb1691be803ecd8d7a689edc894
Manifest2c880cfadfaa6e7efc2bbed2b43d80c8c2802cffd10acf8960a2c2123d669de7

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
SignatureOXVIcr/0Xa6QWTy1PFJO+DR5+6Zz8iyabKJ5KPzcx5DCacLtwIUHw3tSseEhM41EpFNuyWZZ8fcQ+a1FfN+wBw==
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

2026-09-17T11:13:15.274552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042960
observed 68e043cc32a22f17e3b60c42f7046d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.255666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042960/manifest.json
observed 2c880cfadfaa6e7efc2bbed2b43d80c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.238125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042960/publication.md
observed a1f082e220b91273c9e3d2a1513a6283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.219097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042960/publication.txt
observed 83dc92fbb819d15106afd6615722feb8...
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.