OpenTechnical

OT-2026-000076624

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented before 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-2026-000076624) never changes.

Identity and time

Publication numberOT-2026-000076624 · never reused
Internal UUID01a0ae94-b06e-7b2f-b080-4ac5b5f004eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076624
StatusPUBLIC

Content hashes

Canonical textddddc87e55284a0bbee6c3fc838c08b7ba34e5b24ebcf62a23e37c1e2734c276
Markdownc5c88c8d8db3f787407fdce7cede17a721d8bd74a8a625e7b4aab4c1d9959f28
PDF
Publication page640f310dc33085c4dc8b596457945b682eab2985a75eb264e8ee154ba1dcb7f6
Manifest7f0daba1485ae5c6fd5d756ae17b6dfcc9076f8043bf6e479743a656d3381f76

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
SignatureeAHb2gFrma3P6M/Rt8kbrKrr1dhM05EjyYyn01EKtDzmPIb5kV4CBLGcfWREIfLIY4JA5iJRC298MriiMT/aDw==
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

2026-09-17T10:09:21.235267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076624
observed 640f310dc33085c4dc8b596457945b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.217560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076624/manifest.json
observed 7f0daba1485ae5c6fd5d756ae17b6dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.198606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076624/publication.md
observed c5c88c8d8db3f787407fdce7cede17a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.179008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076624/publication.txt
observed ddddc87e55284a0bbee6c3fc838c08b7...
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.