OpenTechnical

OT-2026-000088478

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088478) never changes.

Identity and time

Publication numberOT-2026-000088478 · never reused
Internal UUID01a0ae9b-5d28-736f-a52d-2efcd542ba60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088478
StatusPUBLIC

Content hashes

Canonical texta8c6ca88f0ecef737a50c1a22425caebce644dcdd787dba3c4a7fb3c396d072d
Markdown6dd3df3e959d054e7fd6ff48bfaa588a928378a0f5efd461407a084e1cc05c3a
PDF
Publication page32e04daa9aabaa2546e06d13f516f1f1cccda0a2521b4be98ab665eacf7e3383
Manifestfe00ba54ff4335530d8012b23bd57974882d1654d9b66bd79cc31c2b11dec74f

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
Signatured/eUjh/CPSEsqk+4Efwi5lMhmCbrO1OJqvFwTlOJUa4Pp9eVSz81gB+gxR9i/ga1JwikaXSUhdh+QR/t1wwMAQ==
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

2026-09-17T09:48:51.915476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088478
observed 32e04daa9aabaa2546e06d13f516f1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.896434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088478/manifest.json
observed fe00ba54ff4335530d8012b23bd57974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.879513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088478/publication.md
observed 6dd3df3e959d054e7fd6ff48bfaa588a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.861277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088478/publication.txt
observed a8c6ca88f0ecef737a50c1a22425caeb...
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.