OpenTechnical

OT-2026-000060577

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, vented after 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-2026-000060577) never changes.

Identity and time

Publication numberOT-2026-000060577 · never reused
Internal UUID01a0ae8a-b7cd-7419-9ef8-3f7b697d312f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060577
StatusPUBLIC

Content hashes

Canonical text24863752e9190bbe53f5c92eff221ac519e175153a8a9ef6c5da3493e2321651
Markdownf1ab7562459f56226bc026359adda1db3e21069db8d5ea9a382fdb8bef18ceb3
PDF
Publication page405f5db0a0356763fbb22a933fc65deb9e24fc0290e7140fee463ff7bba9eb64
Manifestd181d0d2f5ba3bff74c2569016f510bbd727da992dd2a62202c1beea88e8f3b7

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
SignaturetJvVQEn6nc4m6O9B1PsF25LUWknQrmquuBVUbyVKYkNWKGB7Y9CQIUK4XsQ2LP6iBquK8G0feHc04plDU3nFBA==
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...

Independent retrieval

2026-09-17T10:43:11.702819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060577
observed 405f5db0a0356763fbb22a933fc65deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.683965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060577/manifest.json
observed d181d0d2f5ba3bff74c2569016f510bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.664446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060577/publication.md
observed f1ab7562459f56226bc026359adda1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.648559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060577/publication.txt
observed 24863752e9190bbe53f5c92eff221ac5...
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.