OpenTechnical

OT-2026-000043598

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000043598) never changes.

Identity and time

Publication numberOT-2026-000043598 · never reused
Internal UUID01a0ae7b-92cf-78f2-bfdd-e2b271862411 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043598
StatusPUBLIC

Content hashes

Canonical text57b0180b133ae29bf9115bf434b90e257e83e23274b733e533bfe7a955671922
Markdownab01ebc3e5e8ee312ed4e1a622953419068330bede196bbc61f095bbbb74cd93
PDF
Publication page3b2e2e43bef964004933f9736cd5d6cf7dbf20ab0835cda28a7db8989eef51a0
Manifest27268930d2d43c5c6c5838eb2170802a91026d8cb0f04cfbce7165fac2be31c7

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
SignatureLBOL2PKsl8VMXuNVjSrpdmUC3OofkpVCPUPqCT3iedwL7HqgYKf/lYcj3t2orK2KPf1nd1vhMXGfucAquaKXCQ==
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

2026-09-17T11:13:00.215798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043598
observed 3b2e2e43bef964004933f9736cd5d6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.198134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043598/manifest.json
observed 27268930d2d43c5c6c5838eb2170802a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.179571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043598/publication.md
observed ab01ebc3e5e8ee312ed4e1a622953419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.149961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043598/publication.txt
observed 57b0180b133ae29bf9115bf434b90e25...
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.