OpenTechnical

OT-2026-000041358

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000041358) never changes.

Identity and time

Publication numberOT-2026-000041358 · never reused
Internal UUID01a0ae79-b144-7569-acd3-11b3ebc44f3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041358
StatusPUBLIC

Content hashes

Canonical text597aeba70d8ad6ce43291ebae9339230068ee46cb5dc4eefbb4911f2f8d8e57a
Markdown37562261fdd898a228b64aa4d0b42571c212c088ad0b4488c993908a2b8484c6
PDF
Publication page67d9d1b38eb2c7592423e0194e284146e131d5126aa18de1535c6e4c6e3b4c96
Manifest497f00cc53891cbeafab284141187a954b4a91c6612c67d40360e2db67db8f4e

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
SignatureIO+I5yxJjGaJ12mOiadB9/kLVpI/kiAtml2vSRhOePzk+NT0WNstpCQ6vsOEIDVE2RCusLVkitwfB1PoOJv9DQ==
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

2026-09-17T11:17:21.601493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041358
observed 67d9d1b38eb2c7592423e0194e284146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.584118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041358/manifest.json
observed 497f00cc53891cbeafab284141187a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.564678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041358/publication.md
observed 37562261fdd898a228b64aa4d0b42571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.547171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041358/publication.txt
observed 597aeba70d8ad6ce43291ebae9339230...
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.