OpenTechnical

OT-2026-000032508

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000032508) never changes.

Identity and time

Publication numberOT-2026-000032508 · never reused
Internal UUID01a0ae75-106f-7e00-99f6-2d4492824793 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032508
StatusPUBLIC

Content hashes

Canonical textc2de3c362b04761382ed7e187cc664f7e5793062fe6481a00809b0788191647e
Markdown774644ffdc3ecb4f0cb5fadad208866ca0859879291d8e5c1eea79368333be64
PDF
Publication page4a5ced242b914a72f6026bd52e37e9f3920e1da75163af93855ddec205fe8126
Manifest932d961102c9caf96b9c50bb84e9b746976e1682a3a53cdb0bf64d0c22f26fbf

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
SignatureZp2SpwrvvhBEbc8Z+nCdLDAj82TyZa9x14au4hZad3jWusfZ3q/TwZ0mldkhonm85pjGH18aNEG9Ny47B3YuCA==
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

2026-09-17T11:33:57.024524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032508
observed 4a5ced242b914a72f6026bd52e37e9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.008125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032508/manifest.json
observed 932d961102c9caf96b9c50bb84e9b746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.989737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032508/publication.md
observed 774644ffdc3ecb4f0cb5fadad208866c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.972304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032508/publication.txt
observed c2de3c362b04761382ed7e187cc664f7...
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.