OpenTechnical

OT-2026-000051730

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented before set-down

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-2026-000051730) never changes.

Identity and time

Publication numberOT-2026-000051730 · never reused
Internal UUID01a0ae83-7c83-7537-8efe-619697d11104 · 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-2026-000051730
StatusPUBLIC

Content hashes

Canonical text3b3b847cbc395accb327b846b6127d7ca592d836632247f744c8b038b007176e
Markdown93cbef1970ab3e63c933effeab8ea30a5fd044581cf640fb351e5fe2488bb52f
PDF
Publication page183bd4da4a442cc9090ed902570f4650d4fb23ac6229a2f9c6e598a92d6830b9
Manifest394acfbf4e59c73366a31bff9e6874d2a4a315d21bd120c5ed310e86374a5310

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
SignatureQvHRd845RbKQGdPSpepgSoKv71G2xG8Tro/dguxO2poB1XN8yuzfHB8QR3J2wAN7XwAqMbkxMh/kFx/TkH+yAQ==
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

2026-09-17T10:58:37.306370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051730
observed 183bd4da4a442cc9090ed902570f4650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.287881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051730/manifest.json
observed 394acfbf4e59c73366a31bff9e6874d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.267920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051730/publication.md
observed 93cbef1970ab3e63c933effeab8ea30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.247002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051730/publication.txt
observed 3b3b847cbc395accb327b846b6127d7c...
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.