OpenTechnical

OT-2026-000026756

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000026756) never changes.

Identity and time

Publication numberOT-2026-000026756 · never reused
Internal UUID01a0ae72-3451-7d8c-9409-f0ec451835b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026756
StatusPUBLIC

Content hashes

Canonical text7f78a59d72423a936ebe7b8148f8130e1e675eb4cc70938a374aa4ba70019299
Markdowne26f15d009240e0c65608df66b0c5924902565fda2f20c1800b57d36a1b4ac3e
PDF
Publication page8ea111952263d4f77bf1f6fd61e3dc8c19e7ace8ced621d4649be98c41b6f484
Manifest4620b576e440f26f5f99b14df0bf46c9a16c71dbeac8d38f426da6bfa0a976e0

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+83bRtk6Akr+Hzzy/pOFKiWUn6y1eLo5p9XcqaCH7BLP6vpIjOL+eoa//m8mWY3nZG9wwcMs2rcMeXE6B550CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:19.579548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026756
observed 8ea111952263d4f77bf1f6fd61e3dc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.562195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026756/manifest.json
observed 4620b576e440f26f5f99b14df0bf46c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.544275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026756/publication.md
observed e26f15d009240e0c65608df66b0c5924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.529665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026756/publication.txt
observed 7f78a59d72423a936ebe7b8148f8130e...
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.