OpenTechnical

OT-2026-000078443

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078443) never changes.

Identity and time

Publication numberOT-2026-000078443 · never reused
Internal UUID01a0ae95-7c28-7786-902e-031ec22fd549 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078443
StatusPUBLIC

Content hashes

Canonical textb8fbb1f631251d974c4cfc2b6104af49878c52d3eaf88b63de52963325b8882d
Markdownac0742963be92fe754fa60e9c441948ad9e249019b768e59a83b33ebcaf09436
PDF
Publication pagedc8fd5c46ac489f9b7468b7eda01703bdd60e7b704caaee2de79899c4eec8f5b
Manifestf23446a938cd41b29cdff3d12868e5bad140f4a0cb1122b5949b7e056caf2f74

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
SignatureYhGVaDr+CI2TR/Zm5MvUB6CXPZlyJdJmLKN1bbHeAAeb/KoRhbBgkNjoKoZnYOIen+jCCKMKKUBtT59oUcUrAA==
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

2026-09-17T10:06:26.607655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078443
observed dc8fd5c46ac489f9b7468b7eda01703b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.587438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078443/manifest.json
observed f23446a938cd41b29cdff3d12868e5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.566736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078443/publication.md
observed ac0742963be92fe754fa60e9c441948a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.545922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078443/publication.txt
observed b8fbb1f631251d974c4cfc2b6104af49...
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.