OpenTechnical

OT-2026-000079820

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000079820) never changes.

Identity and time

Publication numberOT-2026-000079820 · never reused
Internal UUID01a0ae96-4376-7ef6-95fb-68a9f35fd450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079820
StatusPUBLIC

Content hashes

Canonical text4362bb84b53a44bcf52d57616543247d2a79ea08e75dd3810819f84e0982709f
Markdownb9d588887724cf98e51e47ed7ae0ee44b0cd49b027299e2ae31fc6c9b27a8e6c
PDF
Publication page0a7154cad5a22f06105d35c4719d0eda5f7be5390210b9cded11cee84ad8dbf5
Manifesteb610cb9d51cb71be80fe46412ee7257739d23db65614cc3e43d771ac87d9efd

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
Signature7F1uyfvI2D7EPppG43/Z8D7IUei8ArPqci+oNH0s121K9jjTpcT4WT5bmC/P2sjkdc0ZfN+KptoHfsfxSXVgBA==
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

2026-09-17T10:03:42.148813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079820
observed 0a7154cad5a22f06105d35c4719d0eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.130204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079820/manifest.json
observed eb610cb9d51cb71be80fe46412ee7257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.084680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079820/publication.md
observed b9d588887724cf98e51e47ed7ae0ee44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.035443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079820/publication.txt
observed 4362bb84b53a44bcf52d57616543247d...
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.