OpenTechnical

OT-2026-000027320

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000027320) never changes.

Identity and time

Publication numberOT-2026-000027320 · never reused
Internal UUID01a0ae72-6997-713c-a73e-25ec0bd4618a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027320
StatusPUBLIC

Content hashes

Canonical text844d9cd16768be2c8bc4a361df77f1ce094f64d2a52a238a0787596513e254f2
Markdown222f3598139ea6cbb50920886b611d404a268cff99587f33a6cccdadee2d6bd3
PDF
Publication page7865af1bfebca6ac7b3c7473779c6b8157f2c4afde76d60509ba7e2436771a14
Manifestc4502c14ceace056ef956f781e320a1dbb35c9409329d5df4f87b6925f1cefb3

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
SignaturejCXpDBy1PRIi1bHkE/G9XItcEAP0k5Wabg6i3Xx+TIAfY0G7iTY4d+77+tHwy1CIcOAdo2hyw106neKAhqlGBg==
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

2026-09-17T11:42:42.978148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027320
observed 7865af1bfebca6ac7b3c7473779c6b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.961370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027320/manifest.json
observed c4502c14ceace056ef956f781e320a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.941725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027320/publication.md
observed 222f3598139ea6cbb50920886b611d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.923621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027320/publication.txt
observed 844d9cd16768be2c8bc4a361df77f1ce...
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.