OpenTechnical

OT-2026-000005698

Publication integrity record

Porous face vacuum gripper, two stage ejector, pulsed blow off before set down, open cell

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-2026-000005698) never changes.

Identity and time

Publication numberOT-2026-000005698 · never reused
Internal UUID01a0a941-d1de-7a95-a56f-33d45be9ab14 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:38.209398Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005698
StatusPUBLIC

Content hashes

Canonical text59959f595ff206db9c3ccff7d66d370b9a5668a2179308251ab4c833e1040609
Markdown34d545dd1845e1a629a26a681522142ab5546a08d3ff210e476826661b4a7b95
PDF
Publication page590650d562be4d4b0f10a6aba128539e2fea3f6d719fc17e6618ca0b0d4a238e
Manifest31c0be96e88995bb977b52dc47f57474c13414df99ad6230c4f8be4370672d38

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
Signature150NnCsZEkbqqpHW3y3bMQE5OcbdighdZTXcQxYAyFQnUlv9lQJnxewnDmFw7u4/CuUAT4Jjtnc/lZYYbhJUBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:10.424468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005698
observed 590650d562be4d4b0f10a6aba128539e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.410862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005698/manifest.json
observed 31c0be96e88995bb977b52dc47f57474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.397374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005698/publication.md
observed 34d545dd1845e1a629a26a681522142a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.382939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005698/publication.txt
observed 59959f595ff206db9c3ccff7d66d370b...
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.