OpenTechnical

OT-2026-000077524

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000077524) never changes.

Identity and time

Publication numberOT-2026-000077524 · never reused
Internal UUID01a0ae94-f50a-724d-9ff4-b4b3cc59e7c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077524
StatusPUBLIC

Content hashes

Canonical text7d00ddc9ac51e563a5b1adf7d9f35d73dc7aeecf144480078ef2da56ed4b0fd9
Markdownc5b3018e98dbfefa5576043ce13164b033b35e91d5924430c690126ca3089c0c
PDF
Publication page147a1db40322bb6477c9fefe705b72f49c884bd4f7827d97b5c111d8884d96d6
Manifest7f31fe35279e209b0f4fc98e35722e7c461341ed9442be48261a576e4d70a946

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
SignatureTSOABwwpxcdZ2SbHbD3ycNVqbkpAGx+CSL/6z+5XJU+GxJ0kHzYUvHDWAPjvU/ciNE6o/8BNRiskv5vahvP+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:13.093152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077524
observed 147a1db40322bb6477c9fefe705b72f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.075448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077524/manifest.json
observed 7f31fe35279e209b0f4fc98e35722e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.057493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077524/publication.md
observed c5b3018e98dbfefa5576043ce13164b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.037736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077524/publication.txt
observed 7d00ddc9ac51e563a5b1adf7d9f35d73...
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.