OpenTechnical

OT-2026-000072977

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072977) never changes.

Identity and time

Publication numberOT-2026-000072977 · never reused
Internal UUID01a0ae92-c815-7829-a241-f1af6d049d9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072977
StatusPUBLIC

Content hashes

Canonical text7aac23548fc5aeb622073287664c33ee4ac8c2d95faa653638bf55d76a0f97a3
Markdowndf5bba784288e30e7657f407886b03efc8ce0792e7f35c848541db4b0bed9405
PDF
Publication page92090e0afa61a685e4569cd1ccf6f6a6adfaf8524d197ae06eaa1a8837d79d5a
Manifest37facbc8f5bde7881a148e334981c986bfb52d365d8e34f647fa071bcbb1ad15

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
SignatureBUIKO0AtASj+A+VkxkpvxvtK8HGh5ORrjBO1NRl2SZC/xfGx5b1riL3vgDXa24eKuzI/5ZE4vmUcFPXfpBGuDA==
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

2026-09-17T10:21:54.369209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072977
observed 92090e0afa61a685e4569cd1ccf6f6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.351317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072977/manifest.json
observed 37facbc8f5bde7881a148e334981c986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.333380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072977/publication.md
observed df5bba784288e30e7657f407886b03ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:54.315670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072977/publication.txt
observed 7aac23548fc5aeb622073287664c33ee...
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.