OpenTechnical

OT-2026-000089987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089987) never changes.

Identity and time

Publication numberOT-2026-000089987 · never reused
Internal UUID01a0ae9c-428e-71ce-aade-2955495354d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089987
StatusPUBLIC

Content hashes

Canonical text97c4e73f8a0f430d04f4b9c16290914aed4078b0e4f269fce9a806f064a46936
Markdown2768ccd717920758a542f4deb60bf74eaae78e0796362350970071e92e0ef4ac
PDF
Publication page05bda3b3967f65fbc32e7b9f9b64078663add234bb0141f78f7595954a347fda
Manifest1ee348382c47a6cc9dd457fd9544f6b5925a9a61c0bae4b137cbd2f0364c9405

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
Signature1pur9t/qfifd04nzBBSsGTNb7mT3Q1vboM8FMMVk2x2lTKb0KB1uqWNR89KgPUGF0ghySlLwslTQx6a+oTGiDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:22.640259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089987
observed 05bda3b3967f65fbc32e7b9f9b640786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.622971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089987/manifest.json
observed 1ee348382c47a6cc9dd457fd9544f6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.604571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089987/publication.md
observed 2768ccd717920758a542f4deb60bf74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.585741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089987/publication.txt
observed 97c4e73f8a0f430d04f4b9c16290914a...
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.