OpenTechnical

OT-2026-000089437

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089437) never changes.

Identity and time

Publication numberOT-2026-000089437 · never reused
Internal UUID01a0ae9b-db02-7c35-a1d4-91a7af10f27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089437
StatusPUBLIC

Content hashes

Canonical text2eabf2b657d75e79ec7e4edc3148d1819c58ac77efffb541e57f2fe0ec8911e9
Markdowne2db490c5f4ac216883f0160e36e98c7bb7a9b9c77941271caa6dc04400a661b
PDF
Publication page4f683596c476e0e7403df45c4920e24e4de54f79110190bf6e1073e000052ca1
Manifest085e17b3e18bd9f03d41e723f8f3cbc6da5188fef9d2da985bbf2e86e7ba8b97

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
SignatureF71mjpedFX4VCTKMClZcfxDzbkVh2xVpztt2+zVqchtcLgpleO4EmtJddsgkubxZFF/mixQwBZcms5k9AsQRAA==
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

2026-09-17T09:47:34.993654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089437
observed 4f683596c476e0e7403df45c4920e24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.977490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089437/manifest.json
observed 085e17b3e18bd9f03d41e723f8f3cbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.960022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089437/publication.md
observed e2db490c5f4ac216883f0160e36e98c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.943490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089437/publication.txt
observed 2eabf2b657d75e79ec7e4edc3148d181...
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.