OpenTechnical

OT-2026-000014070

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000014070) never changes.

Identity and time

Publication numberOT-2026-000014070 · never reused
Internal UUID01a0ae6d-8deb-7ca6-bb81-865a2479d752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014070
StatusPUBLIC

Content hashes

Canonical text4e9fe0987ed96a097e341f5166e89b3971c90a7925fcd7a10889780163ee7d0e
Markdown0c401da40f41f1027b3da09e04ab2f0b966fd854529bff3a44e45145d42b1e93
PDF
Publication page7361ef153a459a9c77169d7b1950c6436906681746e2e2153eda069e91851da8
Manifest7aba49f3c704c0db9343a1842fed92324dadb69e3661cf0761b9334b023f1966

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
Signature0SaLgRLex2E8Qf37uJigkYXCtFUWH/CjmfbABSTMoabVUxKpAI83pCi/NKO7wtrU8U8Y0cozxm8Mijnf648lBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:19.064418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014070
observed 7361ef153a459a9c77169d7b1950c643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.044627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014070/manifest.json
observed 7aba49f3c704c0db9343a1842fed9232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.024383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014070/publication.md
observed 0c401da40f41f1027b3da09e04ab2f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.999086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014070/publication.txt
observed 4e9fe0987ed96a097e341f5166e89b39...
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.