OpenTechnical

OT-2026-000057176

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000057176) never changes.

Identity and time

Publication numberOT-2026-000057176 · never reused
Internal UUID01a0ae87-d5ba-70f3-9345-4361828f3cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057176
StatusPUBLIC

Content hashes

Canonical text6d525c0b5cdb182778e67e21808aef8b06df21476fb672880a1b826c931e955c
Markdowna085497569cd1d112fcd108238b980bccab67d0cc3aef3d1232c3f6b9f4cb245
PDF
Publication paged24948abec09d18dfa29b0b29976a6963acb7db3e2ef07c0ff05c7497f3224ac
Manifestcf131722503872c82361766412082da5a67a04325f7051a0401b47723065dd3d

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
SignatureguPtJHOKt7Ikvn2qxxRPIt5ARML+lh0RCnvYoZbHNT/qtXQz12J1luwDgyktj2xdA/VNQBggxLeyBeURLYlyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:11.470794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176
observed d24948abec09d18dfa29b0b29976a696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.453987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176/manifest.json
observed cf131722503872c82361766412082da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.435693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176/publication.md
observed a085497569cd1d112fcd108238b980bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.413891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176/publication.txt
observed 6d525c0b5cdb182778e67e21808aef8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.751869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176
observed d24948abec09d18dfa29b0b29976a696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.733232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176/manifest.json
observed cf131722503872c82361766412082da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.715645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176/publication.md
observed a085497569cd1d112fcd108238b980bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.698332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057176/publication.txt
observed 6d525c0b5cdb182778e67e21808aef8b...
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.