OpenTechnical

OT-2026-000051866

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000051866) never changes.

Identity and time

Publication numberOT-2026-000051866 · never reused
Internal UUID01a0ae83-7c84-7744-8732-b4865137578a · 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-2026-000051866
StatusPUBLIC

Content hashes

Canonical text84172ddf9bd08087cb5a2f6afe5f77b977d1a6220c85f83188729a0dbb7386ca
Markdowna27332759fd89a4fa54585e1ee365a604d1c786d3cda943ae9bd98bfaa3ed6d3
PDF
Publication pagec74e68006e88704253171dd65da13c0ed4cd30620b2717af64c818ace2ac98dc
Manifest4dae8fd7f4ff5def459fb3b364b3fdf60ba278fb8010bf48d2b82e1122fc4d21

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
SignatureCfl+O9s/W68vz4AUiHnlpNYDKZgRPpKa+9ih693y95hhn5cCTNX21E01Byqxh3yP3uoWBESJTuEC2dfgxeCNBg==
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

2026-09-17T10:58:48.065349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051866
observed c74e68006e88704253171dd65da13c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.047259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051866/manifest.json
observed 4dae8fd7f4ff5def459fb3b364b3fdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.029312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051866/publication.md
observed a27332759fd89a4fa54585e1ee365a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:48.009834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051866/publication.txt
observed 84172ddf9bd08087cb5a2f6afe5f77b9...
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.