OpenTechnical

OT-2026-000005524

Publication integrity record

Porous face vacuum gripper, two outlet manifold, ejector fed, vented after set down, closed cell

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-2026-000005524) never changes.

Identity and time

Publication numberOT-2026-000005524 · never reused
Internal UUID01a0a93b-e349-7979-8ab7-bb94f97733bd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:09.456810Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005524
StatusPUBLIC

Content hashes

Canonical text260cf71b1331ca403c16127774d8a4d7a33c183c8d809634cc259f267e4a89f1
Markdown1a4e2887ad6dd48dfd448780f570cf7da599e2bbf3766f449467125beba56168
PDF
Publication page77fa1ba6fde8821f63e82470a0e8d52c38f4a7164d8b230a9b0516cedbda389d
Manifest5cc0b4b331dd1c145d8ecd5be4c3c2d5b3a912bcf8c89c1e289944efcae43b1c

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
Signaturead+nOgLZomjNVBbI5SAqOHu7fV4KQMcmk5pOCGhSJzUSb4EAxAcC9oNpGnnXHmRfa6jTLVSb3flGulTHLx5ZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:30.663027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005524
observed 77fa1ba6fde8821f63e82470a0e8d52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.651002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005524/manifest.json
observed 5cc0b4b331dd1c145d8ecd5be4c3c2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.636194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005524/publication.md
observed 1a4e2887ad6dd48dfd448780f570cf7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.622641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005524/publication.txt
observed 260cf71b1331ca403c16127774d8a4d7...
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.