OpenTechnical

OT-2026-000051655

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000051655) never changes.

Identity and time

Publication numberOT-2026-000051655 · never reused
Internal UUID01a0ae83-7c82-7f3f-a115-4abc69d835c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051655
StatusPUBLIC

Content hashes

Canonical text3d74f7614a17ce67aaa2d153ce8e01986a82bdb19489a5ca4e909456a0b4d75f
Markdownf38cfd68a8dbb18f721be828144a8cb1565fdff4564da44b5b752ce73bcec5e3
PDF
Publication pageb6e4b008dd813bd39e1e69999c77aeacdabf0ce338cc8def963f9b5671013494
Manifestfc1df3a0bfc06114bc265ec55c92b520e4f03af77352ac61daf2e22d4e454949

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
SignatureqF9fTzQKnawQd9da3n0XBbDGlYiGWnr+Kmf8mUOj0nCWzCSp67B8PyElzC+3LcW+7sQRZ5QaBSMYqA7ZLAZWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:31.224018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051655
observed b6e4b008dd813bd39e1e69999c77aeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:31.205412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051655/manifest.json
observed fc1df3a0bfc06114bc265ec55c92b520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:31.187912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051655/publication.md
observed f38cfd68a8dbb18f721be828144a8cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:31.169288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051655/publication.txt
observed 3d74f7614a17ce67aaa2d153ce8e0198...
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.