OpenTechnical

OT-2026-000051814

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000051814) never changes.

Identity and time

Publication numberOT-2026-000051814 · never reused
Internal UUID01a0ae83-7c84-728a-b666-627824964173 · 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-2026-000051814
StatusPUBLIC

Content hashes

Canonical text53a666a40f54f1173cb0c9cd45260b08703fd9b076219c20333488a6d0475913
Markdowna3705f036a58500786aa38a323c97af562122078c3872d50082e033dfffb7558
PDF
Publication pagef339c0dc101aa749bdb2870a7cb6beb5f5c6b2c197e686fd98a92f67a2a95515
Manifesta6fe9cfe7f1e7fdd04bf9fa9f53a3f06b819be704d3528ae6f22dda89b62ea72

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
SignatureuVqQwBDt8OgRmXazbNepbIsGkn8BEBq+nO6Ss4WmhEyDIaO0/XZwica+MwatraxPOdFTkau6k5wbWwOBqHyYDQ==
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

2026-09-17T10:58:43.957431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051814
observed f339c0dc101aa749bdb2870a7cb6beb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.938578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051814/manifest.json
observed a6fe9cfe7f1e7fdd04bf9fa9f53a3f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.920015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051814/publication.md
observed a3705f036a58500786aa38a323c97af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.900653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051814/publication.txt
observed 53a666a40f54f1173cb0c9cd45260b08...
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.