OpenTechnical

OT-2026-000052039

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000052039) never changes.

Identity and time

Publication numberOT-2026-000052039 · never reused
Internal UUID01a0ae83-e78e-738e-90f1-3f359b52eb57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052039
StatusPUBLIC

Content hashes

Canonical text9863679f2f5d3ce983a08f643115baf6dd1064357f3a8d332d3b7c6ff012ede0
Markdown05c35e3ccdb67ff927221f7965df692074ffc33db21fae8451f9f8fac5f8f6f0
PDF
Publication page2c0ca9fac887baa928a85d8fca0de8f445d8ba4e4c2a16c4b03fa01ea7689786
Manifesta943a694acf5584900e162266770ad0865df929320383f9604c8913d7cd539e1

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
SignatureP4ghbpWVwfPpovJVpKycK35DDz4JsLrfFclKG6956rBNyBj2ZPmN8mM5Wtpc4sQiijjX7TuhU1piRR/yTaKdCQ==
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

2026-09-17T10:57:33.316469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052039
observed 2c0ca9fac887baa928a85d8fca0de8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:33.299676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052039/manifest.json
observed a943a694acf5584900e162266770ad08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:33.283060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052039/publication.md
observed 05c35e3ccdb67ff927221f7965df6920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:33.265433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052039/publication.txt
observed 9863679f2f5d3ce983a08f643115baf6...
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.