OpenTechnical

OT-2026-000013435

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000013435) never changes.

Identity and time

Publication numberOT-2026-000013435 · never reused
Internal UUID01a0ae6d-6fca-7b30-9e1f-ae31813e9347 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013435
StatusPUBLIC

Content hashes

Canonical text63416133d6905211ddc4de0b8f943c93fd27d3af8541e6cf216db31f54de2404
Markdown04fa97f6f473bedfe848c5dbd2448fc4b7cc2553289904114db89c89d4b942c1
PDF
Publication page6679b9c01208b661a1705f79895468c47e58e060369321aadd7179c90276ca35
Manifest9a649b05d3d00d98e90c9d0eef1cb4186cb93dcd7c2346aa32465022f1da59d9

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
SignatureASKCkLbjLxWSPa8z7NH//0v9FDaAyYtd4reLG4f3MmUAMda9uyWZER0DyUCliECx6TibCOanHnrCuxDhr7I+DQ==
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

2026-09-17T12:09:55.338430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013435
observed 6679b9c01208b661a1705f79895468c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.319856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013435/manifest.json
observed 9a649b05d3d00d98e90c9d0eef1cb418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.300438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013435/publication.md
observed 04fa97f6f473bedfe848c5dbd2448fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.282676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013435/publication.txt
observed 63416133d6905211ddc4de0b8f943c93...
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.