OpenTechnical

OT-2026-000048452

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000048452) never changes.

Identity and time

Publication numberOT-2026-000048452 · never reused
Internal UUID01a0ae80-4de5-76c0-aefb-fb079b9760a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048452
StatusPUBLIC

Content hashes

Canonical textb311097afaf7af412c66669fb05e9b3cecb16de1eb4d116ccd2ef1afc04f6008
Markdown01176427138def0e91ec57b701611b4ef503ec48d44f042b7b5bb4224f0a561b
PDF
Publication page4caff69c8d96969b9003899cdd175f69c14ce926d600313d17d4903c8c413866
Manifest58b3f3d012618cbb039a66daef60c20e70d3380604738011c3137add8a9b83d9

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
Signature5TWhtW8TAMMhgLO8Zx1QRcW58p/0H6AWigYeFzABZcDMLqAxnu24Gx6WGZMA0UshEdjFo+fA0430JHVqI6efBg==
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

2026-09-17T11:05:06.482308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048452
observed 4caff69c8d96969b9003899cdd175f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.463047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048452/manifest.json
observed 58b3f3d012618cbb039a66daef60c20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.444178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048452/publication.md
observed 01176427138def0e91ec57b701611b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.424666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048452/publication.txt
observed b311097afaf7af412c66669fb05e9b3c...
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.