OpenTechnical

OT-2026-000081512

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000081512) never changes.

Identity and time

Publication numberOT-2026-000081512 · never reused
Internal UUID01a0ae97-0f70-7646-bba6-2cbe641ce11f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081512
StatusPUBLIC

Content hashes

Canonical textacc185ec17a8860d2d1061e38f9ed996ef84e382e224fd4fa28af4c5b7e03b6b
Markdowned91749f2281158e901423aad4ea1715df0e4cd134d5f8e2c5599329563e7f35
PDF
Publication pagec98f4f6950c65b2e5b724f5da59a98eb90cf3abef2eb87bcb096a24d3aa1608f
Manifestb7c3923d22a028e62771c61159f4ceedb24585b274fd3595c62d5da1fb0e4c35

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
Signaturej8U5FQd3jmZIHj/g7FdHhszF8xX0zNFP4QvorfIz+jCALGKKOKKarSmG2TI+Lfs4UVRINFmfZvP0II5XgZQhDg==
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

2026-09-17T09:59:31.663027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081512
observed c98f4f6950c65b2e5b724f5da59a98eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.644278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081512/manifest.json
observed b7c3923d22a028e62771c61159f4ceed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.625990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081512/publication.md
observed ed91749f2281158e901423aad4ea1715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.610092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081512/publication.txt
observed acc185ec17a8860d2d1061e38f9ed996...
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.