OpenTechnical

OT-2026-000043691

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000043691) never changes.

Identity and time

Publication numberOT-2026-000043691 · never reused
Internal UUID01a0ae7b-92d0-79ee-9116-2f65bbd4cba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043691
StatusPUBLIC

Content hashes

Canonical text94feacfa041c9f0c4e120dec7ae34c5116f52577600d054fe03704c0978a7839
Markdowna91dc97de6611a7d57cbb686020871010325d02b9d876dc6be0826ec30496279
PDF
Publication page2ed1be2c689799d3d0925e3086676f29719d7e2fcd3c9d7d44c9151a37487fe7
Manifest473396e8fd5b7efcddc38682f1dc359291332544385934cca19a413959c037df

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
SignaturehqJN82XIMwLG++E3uubWYzaLUtbvRgXYNvtpgi41axOIjv4VkRRA2dk6typjIW9KIXN94EyIRwskOYDSC2RlAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:11.036868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043691
observed 2ed1be2c689799d3d0925e3086676f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.017464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043691/manifest.json
observed 473396e8fd5b7efcddc38682f1dc3592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.999856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043691/publication.md
observed a91dc97de6611a7d57cbb68602087101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.979324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043691/publication.txt
observed 94feacfa041c9f0c4e120dec7ae34c51...
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.