OpenTechnical

OT-2026-000050223

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000050223) never changes.

Identity and time

Publication numberOT-2026-000050223 · never reused
Internal UUID01a0ae82-5c46-79e9-affc-f102b36987f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050223
StatusPUBLIC

Content hashes

Canonical textab870d1cd3b1c2260ee0511c2780f2ec0b3a2b45052e3f4f551ed06dbfda989f
Markdownf2e93b2072d5d5158d0e6a24990005ef4fc947f0120f0ced5f050174189713ae
PDF
Publication pageca8afa9ab85042205865ffb113d59e838e016a0e2cf3e6cf80b8511bb5286cdf
Manifest8b92bbc0acbe2b609c9f2de1a702a783a09b6be76b2a6a8397c1753ba7e8f75a

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
Signaturep7KmHpqhp7dFdgBQ4jCWtDuFTt8zzOZGYv4PT44r2YltvXmGzXXAD4DxybnQOaza3NZGs8ruPyKS7d2ATEtADA==
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

2026-09-17T11:01:12.990450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050223
observed ca8afa9ab85042205865ffb113d59e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.973531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050223/manifest.json
observed 8b92bbc0acbe2b609c9f2de1a702a783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.957179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050223/publication.md
observed f2e93b2072d5d5158d0e6a24990005ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.940332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050223/publication.txt
observed ab870d1cd3b1c2260ee0511c2780f2ec...
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.