OpenTechnical

OT-2026-000061723

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000061723) never changes.

Identity and time

Publication numberOT-2026-000061723 · never reused
Internal UUID01a0ae8b-b8aa-7efa-938d-051797893d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061723
StatusPUBLIC

Content hashes

Canonical texte934410c6e3f7c8ef15ff99173806beb387cfda726eeed01fe467c0bbba4e9eb
Markdownc952259d5a357883906668a827c2ff946f3cc8a3c1bb82365ae12c452bd7d51b
PDF
Publication pageec05b88b1c78751bb6d66e438ae12a31b8ba2a1fcf57e3bc1686a42fc08fefff
Manifestff02fca57e57984353bc68b08b9072ba6103a246db0dcea9989451af2117b53e

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
SignaturewJD0LaxD0CcJiF2EBrdC0ApwEReowqdGZjITOn09ykyiztXecHijEwZghEc9Nb7mCJUdTvosejtsWD2zGQ/ECQ==
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...

Independent retrieval

2026-09-17T10:40:18.142594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061723
observed ec05b88b1c78751bb6d66e438ae12a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.123362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061723/manifest.json
observed ff02fca57e57984353bc68b08b9072ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.102895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061723/publication.md
observed c952259d5a357883906668a827c2ff94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.083480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061723/publication.txt
observed e934410c6e3f7c8ef15ff99173806beb...
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.