OpenTechnical

OT-2026-000045267

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045267) never changes.

Identity and time

Publication numberOT-2026-000045267 · never reused
Internal UUID01a0ae7c-f76a-72f7-b5db-8ccedacfbd42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045267
StatusPUBLIC

Content hashes

Canonical textfc1fa3db60c5a0332ef8ab3bfb720b92ec1f2c79c592d2ec0186a4c89a6dd530
Markdown9512c8c986c320109262f0dada1ce7e857bbdce7c78ce28be1e399b5e124f122
PDF
Publication page7b9a481b88896e1c307803093dbf2235a7231ae4c73981d554d426bdff5a5267
Manifest3e6d5d552733bd941e38683ee3294433eebd9173d9d0b19863820d84957d4695

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
SignatureN2wuBOuEvZCReGZHd/Y5PwwAvdpzl8oO1EUkZQ1xrNlHuleIek5kMoqpyoWTs01BGqnLuUD4nfZLd2qOfcibAQ==
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

2026-09-17T11:10:28.595200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045267
observed 7b9a481b88896e1c307803093dbf2235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.576694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045267/manifest.json
observed 3e6d5d552733bd941e38683ee3294433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.558325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045267/publication.md
observed 9512c8c986c320109262f0dada1ce7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.541165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045267/publication.txt
observed fc1fa3db60c5a0332ef8ab3bfb720b92...
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.