OpenTechnical

OT-2026-000005541

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, 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-2026-000005541) never changes.

Identity and time

Publication numberOT-2026-000005541 · never reused
Internal UUID01a0a93c-8def-7b96-b3d5-281b185295e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:53.138679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005541
StatusPUBLIC

Content hashes

Canonical text5e1faa371c289e470a9629d818298562c7c9398ba38acf78993a2a175d797e91
Markdown8cadcfa41f79ea267a1dbc1383ca88242b3c2b2fb1e19793f66b1f4588bd6ea1
PDF
Publication pagecce6bf71dc09d975024e41bffdd95f18ea97106ea0999a1ca27f1b448e62f017
Manifest78c87dbb753b21a2a2831cb57d75bf5aac12ada2641458eae9b615de9fc7ea00

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
Signature5CEmbqH+NWHfiLjYufLfEWG/VPfto9BKDTShr72/dbCYixN1Z3TxKXvqP8GKuz1IDBK6ZHoIkWxK3MHqxgyGAQ==
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

2026-09-16T08:10:28.735022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005541
observed cce6bf71dc09d975024e41bffdd95f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.721432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005541/manifest.json
observed 78c87dbb753b21a2a2831cb57d75bf5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.704140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005541/publication.md
observed 8cadcfa41f79ea267a1dbc1383ca8824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.690497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005541/publication.txt
observed 5e1faa371c289e470a9629d818298562...
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.