OpenTechnical

OT-2026-000078143

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078143) never changes.

Identity and time

Publication numberOT-2026-000078143 · never reused
Internal UUID01a0ae95-6e8c-7ed8-8f74-3ad1bc70cd81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078143
StatusPUBLIC

Content hashes

Canonical text2028a8f83f3da3b6212d6793a5a94d931204aadd10cf661168cbc1f4372738dd
Markdownb074f18bf2e9e5818a2cb75ad4720e9ba90e5c7657ef91851572ddcb7172cb44
PDF
Publication pagefab84599c8bfc5f33f0d4854126b1a1887ae29601206f484a69663c3a6836387
Manifestfbeee24faa3e0b40f61e6e350156b1d05af9749020c08eeecd7f3f905690c573

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
Signature4G/fDIdlSy0K/Rc+FPu1E2tXdK+ALeo3sQtJY/kVhcVuPSgNFWb6iZ8fsF7r+badl1DpZQCaJiOd2YW2BqP5Dg==
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

2026-09-17T10:06:51.388905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078143
observed fab84599c8bfc5f33f0d4854126b1a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.370577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078143/manifest.json
observed fbeee24faa3e0b40f61e6e350156b1d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.351728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078143/publication.md
observed b074f18bf2e9e5818a2cb75ad4720e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.332290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078143/publication.txt
observed 2028a8f83f3da3b6212d6793a5a94d93...
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.