OpenTechnical

OT-2026-000053159

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000053159) never changes.

Identity and time

Publication numberOT-2026-000053159 · never reused
Internal UUID01a0ae84-a432-7b23-ac2a-d84c9aea30bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053159
StatusPUBLIC

Content hashes

Canonical textda554a00dbd73739cf48f480e435147710abf4958996d37803259ac98df044a3
Markdown22f5e0748e27b59ce7fa96dd4db4eb55e894fed9184912647e522c2084e39fae
PDF
Publication paged3ee2ac9c35b2da98fc1056336dc64d8d282d566ab9b97b903b7d1424167a185
Manifest9c2f237f72e82143527750fe4988a49976fd08008f7e40f7a51acadab046d944

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
SignaturebyHlADXXpXE2EhQ+OrBBNVJco5jjs8+9vDrHlXkt0nhkL+4I/rNBGqTvmnA9dfs2nn3crylk6QVM8AxvosahDg==
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

2026-09-17T10:56:58.798852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053159
observed d3ee2ac9c35b2da98fc1056336dc64d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.781093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053159/manifest.json
observed 9c2f237f72e82143527750fe4988a499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.764094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053159/publication.md
observed 22f5e0748e27b59ce7fa96dd4db4eb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:58.748038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053159/publication.txt
observed da554a00dbd73739cf48f480e4351477...
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.