OpenTechnical

OT-2026-000041971

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000041971) never changes.

Identity and time

Publication numberOT-2026-000041971 · never reused
Internal UUID01a0ae79-e8a7-76f8-980e-57581923045e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041971
StatusPUBLIC

Content hashes

Canonical textac0d04b510732032fe92c4b7de3ef1025ec03bcac27bc71d0d8aae2289f47e1d
Markdown7382f70df4b896311aa8fc3b3c59f0cabbd82cdc0ae5b9843fcbdc7274cd42d9
PDF
Publication pagef37dd09f26e650c17fe9897438f9fd0082fe8f4d61c5f03d24037a1d434eb83a
Manifest4b70a9f56e6d567d051230290aee17809017cf089e39183a11d51f03db6937a1

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
SignaturefMizh9VcyeNQP8A9/NlmetEXoZfMRIlEbL85uwschcmreLPJZeChG0Soz7AFbcetxBb3xpTYYD7dhu57PocDAQ==
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

2026-09-17T11:16:51.876765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041971
observed f37dd09f26e650c17fe9897438f9fd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.860867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041971/manifest.json
observed 4b70a9f56e6d567d051230290aee1780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.843931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041971/publication.md
observed 7382f70df4b896311aa8fc3b3c59f0ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.828089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041971/publication.txt
observed ac0d04b510732032fe92c4b7de3ef102...
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.