OpenTechnical

OT-2026-000061534

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000061534) never changes.

Identity and time

Publication numberOT-2026-000061534 · never reused
Internal UUID01a0ae8b-7b44-76e5-826c-3c538c81555f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061534
StatusPUBLIC

Content hashes

Canonical text04628261a1fdd133a16a92d9c888a62449cb43cf1631a13e9e3681fc2c4fdbea
Markdownf6c03ad5980e0ce88617743569a0a4f8194ca3b50ff2e066f012fb07033bf5fa
PDF
Publication pagecc91e75afad7d5aef8344b95b7648b0ca6e5349864449d060229ebcce4ad1e6e
Manifest6140170f12573cdf54842407689d7f1870aad6fb01cfe9f1a7716c2f7ed712f8

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
SignatureltYUuh6BKyzwGZS5pfmJH0oQcfKsb7gC9+RgAmAqTpGj6yUPriD7ma0kG7MdrDFI7nu7kDk3W7oV32VJICHWAw==
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

2026-09-17T10:41:26.444555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061534
observed cc91e75afad7d5aef8344b95b7648b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.424567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061534/manifest.json
observed 6140170f12573cdf54842407689d7f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.407340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061534/publication.md
observed f6c03ad5980e0ce88617743569a0a4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.388797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061534/publication.txt
observed 04628261a1fdd133a16a92d9c888a624...
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.