OpenTechnical

OT-2026-000078569

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000078569) never changes.

Identity and time

Publication numberOT-2026-000078569 · never reused
Internal UUID01a0ae95-7c29-7a79-b73b-3761a8ab891d · 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-2026-000078569
StatusPUBLIC

Content hashes

Canonical textef213dbb6789d73f7e5b553ee07788bb6ce4072d742a6d3015a3c4f2c0983ce1
Markdownb50b120494d2dd9ebac456aee86b36fce9db9272a9da65583efa8cc12a53ca1f
PDF
Publication pageb9c4166e70a8b6b790496e8034d68914dda69af2aa074aaa9c73a493aca96dad
Manifest93023966fe86475ee28fb802a18d74d370c9c6c6600768398bb76890b22b8b25

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
SignatureHS94aHED3jaGMRiZ+oenAN6EL6xcsGifd20M6B2idmQv4G1i/h+SAqHRzQxtQcHNPFDcggkkC1BFOs1WjViEAg==
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

2026-09-17T10:06:35.578757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078569
observed b9c4166e70a8b6b790496e8034d68914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.557795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078569/manifest.json
observed 93023966fe86475ee28fb802a18d74d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.537915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078569/publication.md
observed b50b120494d2dd9ebac456aee86b36fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.519253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078569/publication.txt
observed ef213dbb6789d73f7e5b553ee07788bb...
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.