OpenTechnical

OT-2026-000091908

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091908) never changes.

Identity and time

Publication numberOT-2026-000091908 · never reused
Internal UUID01a0ae9d-43ba-7d42-af55-a7010f83d1f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091908
StatusPUBLIC

Content hashes

Canonical text6b31d92190a35745d3f55fde6f189016097c749dc1bc37da3e06fca7d21baa3e
Markdown44848aabec2c4b82547165d21d202e18b9326e7df2cf9faf90a48ddf56bd31b1
PDF
Publication page2f7931615cd9e3d80e12a995aa62ef7938ac7bcc1d7e2dd8bf1ed46b1a979808
Manifestaecc912b731e703869d4a6571df55ef4f788f33d6e843f09f5d7933357d8f151

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
SignaturebBSNY/YWp3hRwd6lQgpd6NYYZQIL6IxgP3yOynNyGgUYInpVbCgAQHR3tH/iB6XD3ZGjNi/GT2HPKsKwy6XMCg==
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

2026-09-17T09:42:50.768992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091908
observed 2f7931615cd9e3d80e12a995aa62ef79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.749892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091908/manifest.json
observed aecc912b731e703869d4a6571df55ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.733400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091908/publication.md
observed 44848aabec2c4b82547165d21d202e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:50.717750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091908/publication.txt
observed 6b31d92190a35745d3f55fde6f189016...
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.