OpenTechnical

OT-2026-000052587

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000052587) never changes.

Identity and time

Publication numberOT-2026-000052587 · never reused
Internal UUID01a0ae84-573b-71d2-8e85-7896fec83d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052587
StatusPUBLIC

Content hashes

Canonical text77d479a3f087f40aefe22cfc0a7d7e9a4fee8bb830f5518ff8ba5869806244d7
Markdownd2795d44c9b34f711edbc1a141291355ef68d97eb937be0a488890272dd6b527
PDF
Publication page5c7c1b0059b6daebe478ac0ec03fc3b87fa25d1261593bc3cc5609c4729b954a
Manifest5ba9515ae5cd3309753d9f7a5c8516f56181d3886e6ecb6962071778714465db

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
Signature31tVCjG19JxZVt/LBn5RH35MaM6klCDLLKWmPhT8MC3XSoIIaGCOndsXAAxTKRB9sIR+B+R62aOmQI31H7tsCA==
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

2026-09-17T10:57:15.074780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052587
observed 5c7c1b0059b6daebe478ac0ec03fc3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.056543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052587/manifest.json
observed 5ba9515ae5cd3309753d9f7a5c8516f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.038878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052587/publication.md
observed d2795d44c9b34f711edbc1a141291355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.020007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052587/publication.txt
observed 77d479a3f087f40aefe22cfc0a7d7e9a...
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.