OpenTechnical

OT-2026-000039463

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line 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-2026-000039463) never changes.

Identity and time

Publication numberOT-2026-000039463 · never reused
Internal UUID01a0ae78-9675-77f5-bef3-4785c31bc0c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039463
StatusPUBLIC

Content hashes

Canonical text59a713bd84ea2741f1b9580397b56da3270908fd700f82d91c65d4abd437169f
Markdownf06dcbca4faae5c3fe176ceae2e31ac251329f250fc4214fa599c6d1aaf53e04
PDF
Publication page3588139b9014294e7a963f1ff9dfcc8c393a7ff94f3d674955069ba22c710461
Manifestbd2c30613a8f213b53d6946f299ccdb251b177511f2421958624f288ca4e4b33

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
SignatureLXL7ePqgl62xr91lk4xu7SkPqegZcp7BiBkJdKftG2SyroLK8tWZCTH3ETSse+i883EPFf9CWNsqzLObvFWEBA==
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

2026-09-17T11:21:05.177140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039463
observed 3588139b9014294e7a963f1ff9dfcc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.159523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039463/manifest.json
observed bd2c30613a8f213b53d6946f299ccdb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.141868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039463/publication.md
observed f06dcbca4faae5c3fe176ceae2e31ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.122895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039463/publication.txt
observed 59a713bd84ea2741f1b9580397b56da3...
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.