OpenTechnical

OT-2026-000067195

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000067195) never changes.

Identity and time

Publication numberOT-2026-000067195 · never reused
Internal UUID01a0ae8f-14ff-7456-a258-3e2f4d0e6e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067195
StatusPUBLIC

Content hashes

Canonical texta93e426eb724f850a49cc5e46c5a20cc9a110bc6df65602b87d5ad40d038fb92
Markdownb879b600805c16491f1f8bdd7c732d19533148188726a58f4c404e2c2b285bd8
PDF
Publication pagefeb47d5341a9a5b2b1ab1260eedc39f97f71639bc13fdb75d85d01f43238f806
Manifest392196d3d149fbcfcbb4c086002cc5c32301170a357321b90bb99e82c10c94f4

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
Signature+LkBw6p/yDhwT/OFSPiS6VN2ao337aJMXFGSEt5zmmuQ8LSBtP8U4sNlsID2YaCimhBzgMGZdGkIQWEt8czbCw==
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

2026-09-17T10:32:28.914998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067195
observed feb47d5341a9a5b2b1ab1260eedc39f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.898600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067195/manifest.json
observed 392196d3d149fbcfcbb4c086002cc5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.882822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067195/publication.md
observed b879b600805c16491f1f8bdd7c732d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.866861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067195/publication.txt
observed a93e426eb724f850a49cc5e46c5a20cc...
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.