OpenTechnical

OT-2026-000077706

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000077706) never changes.

Identity and time

Publication numberOT-2026-000077706 · never reused
Internal UUID01a0ae95-2ecf-7fba-b5b6-f7e09cb2eb5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077706
StatusPUBLIC

Content hashes

Canonical text2050441af02a7fd4dafb7ba665122fec12d66dec874e94f6e9b30742aaa1ffb5
Markdown32e7779d440bc8d11865af774f33d2ea197b8c49e8d01754efedc911bfd6c5e7
PDF
Publication page6df07688782cc597f3a673b19328cd5ea566b5119fa242a1300c2feb698ac73a
Manifest3ab42c458deea72f2b3569d4e4321d987cf9d6bfe5dba779729abe2e93edd902

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
Signature8kblX0DMYTdv4Ud8VHJ/HZnUo1VqPtnFpBknIbVswuvTNKDjdoDUGiMrbGOLl9k6yxoA0DHpnlqk0D7cIdOZCA==
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

2026-09-17T10:07:16.767346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077706
observed 6df07688782cc597f3a673b19328cd5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.747829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077706/manifest.json
observed 3ab42c458deea72f2b3569d4e4321d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.731219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077706/publication.md
observed 32e7779d440bc8d11865af774f33d2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.712837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077706/publication.txt
observed 2050441af02a7fd4dafb7ba665122fec...
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.