OpenTechnical

OT-2026-000006725

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, sustained blow off before set down, plastic cups

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-2026-000006725) never changes.

Identity and time

Publication numberOT-2026-000006725 · never reused
Internal UUID01a0a965-4123-7c50-a97f-46d6c62dea2e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:20.453892Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006725
StatusPUBLIC

Content hashes

Canonical textc591dae4527f24dfc0843a9e7ff822a27c4c290e12bdb5ca11dd5e0e40c22359
Markdown013244ab593256970a551c1e5424e3c8128d7591e9e1cd07122613fcc8ecb71f
PDF
Publication page92321a9576f5cf40c935d6b01a1de3b79f433d0eb08559ce49c4e8f8a3838af0
Manifesta7c51ab83ed43f71b6e7e9184ea4329403f8edaf71adff38ec53aecbd4f81e9a

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
Signature37JuW6hNjtqTZrRYtApFMqZK6p6JwNK8Af5LTRVX6tkBFnw0O5VQPEyMgcbz7959aXS+NdwKbppwQbEd3LDUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T12:42:28.269772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725
observed 92321a9576f5cf40c935d6b01a1de3b7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:28.136838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725/manifest.json
observed a7c51ab83ed43f71b6e7e9184ea43294...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:28.008588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725/publication.md
observed 013244ab593256970a551c1e5424e3c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:27.911726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725/publication.txt
observed c591dae4527f24dfc0843a9e7ff822a2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.154964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725
observed 92321a9576f5cf40c935d6b01a1de3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.141223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725/manifest.json
observed a7c51ab83ed43f71b6e7e9184ea43294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:13.127937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725/publication.md
observed 013244ab593256970a551c1e5424e3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.992818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006725/publication.txt
observed c591dae4527f24dfc0843a9e7ff822a2...
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.