OpenTechnical

OT-2026-000060741

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000060741) never changes.

Identity and time

Publication numberOT-2026-000060741 · never reused
Internal UUID01a0ae8a-b7ce-73cf-8dd6-e5bc6bfec465 · 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-2026-000060741
StatusPUBLIC

Content hashes

Canonical text1e1c4370284d4ad33d102d2b6be736739c820ece22c5bc7279c114bff94a77a3
Markdown534489905f0f5f52ed904b7d5632791923671202bdacbdfc82ae8364c7fc286f
PDF
Publication pageebcad6d2252d8a5b1a2329db1f111e70597d35b1a3c17f1a1f807c36e6f7bb10
Manifest65b95ad588a3f5b20e59f09e1636bf19d97dff0e83b55fc09373a7df808b679b

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
SignaturedUq2dGs6A5Dh7HCtArO8JJ7andjGNOy9pJOAeR8DA3uDwfLb2VsB//pdvYMJpHCouZOaBMFwGMl4/swb1ODgCQ==
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

2026-09-17T10:43:28.557101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060741
observed ebcad6d2252d8a5b1a2329db1f111e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.540815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060741/manifest.json
observed 65b95ad588a3f5b20e59f09e1636bf19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.524101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060741/publication.md
observed 534489905f0f5f52ed904b7d56327919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.509653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060741/publication.txt
observed 1e1c4370284d4ad33d102d2b6be73673...
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.