OpenTechnical

OT-2026-000007169

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, ejector fed, pressure verified, plastic cups, 1 fold

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-2026-000007169) never changes.

Identity and time

Publication numberOT-2026-000007169 · never reused
Internal UUID01a0a975-3314-7d10-a6ab-cee8aa60bd1a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:45.430920Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007169
StatusPUBLIC

Content hashes

Canonical text9c34bb91a913bef81a203a431d43fe2a7148168fd31b5233529edbaecc4b437d
Markdown84925bc517a217d0373e0e6cd07a4cb46b889d3bd870b15891b35ac302b733f8
PDF
Publication page39dbcb45d54ecf574ea62846c3c008b024674cc765ff395dca779e64be1588e8
Manifest90fed4ff67077ab287da5b71d9672f40a072664cf9d5e80f5282875f5466fdfc

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
SignaturesQYq5N8ac8GU3NZfj+9vYvlB1oXuxFjWkQATgVtwculV+ZK3XJEbHAe/wSgNIEeTfbuoyu2coP/KvVG5mtbsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T16:42:50.991402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169
observed 39dbcb45d54ecf574ea62846c3c008b0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:50.641212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169/manifest.json
observed 90fed4ff67077ab287da5b71d9672f40...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:50.210565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169/publication.md
observed 84925bc517a217d0373e0e6cd07a4cb4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:49.857197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169/publication.txt
observed 9c34bb91a913bef81a203a431d43fe2a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.693884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169
observed 39dbcb45d54ecf574ea62846c3c008b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.683423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169/manifest.json
observed 90fed4ff67077ab287da5b71d9672f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.671527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169/publication.md
observed 84925bc517a217d0373e0e6cd07a4cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.659519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007169/publication.txt
observed 9c34bb91a913bef81a203a431d43fe2a...
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.