OpenTechnical

OT-2026-000081859

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained 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-2026-000081859) never changes.

Identity and time

Publication numberOT-2026-000081859 · never reused
Internal UUID01a0ae97-0f75-7713-9803-4d3e751b7814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081859
StatusPUBLIC

Content hashes

Canonical text4166fe549988d38827e6deb7de6bfe832f303963e28b969ce093ecded3cd755f
Markdown0e75b6b80f7300b7a7074944275d4925942d9b72982505ce0e8edc2fdee70e6f
PDF
Publication page7e1917fe995ef13f77b3a98b48b25a51b03583146f679bbc97c5b44e930808d3
Manifestdb2ac26ac25214c91fc2480f186704b423e64cd63d31912f1a4aa29da273fd9c

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
SignaturevZTNFY4vZzCEUCFjHzdxX9NkXga87OVQnGJWUgDLDPnO5maW8fLVNHyIZLiVMnsXwpsjuj0ayTHwByrdBzFIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:58.469654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081859
observed 7e1917fe995ef13f77b3a98b48b25a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.452684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081859/manifest.json
observed db2ac26ac25214c91fc2480f186704b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.433666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081859/publication.md
observed 0e75b6b80f7300b7a7074944275d4925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.416563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081859/publication.txt
observed 4166fe549988d38827e6deb7de6bfe83...
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.