OpenTechnical

OT-2026-000081885

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, sustained 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-2026-000081885) never changes.

Identity and time

Publication numberOT-2026-000081885 · never reused
Internal UUID01a0ae97-0f76-73e0-b577-5b6c12c863e1 · 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-2026-000081885
StatusPUBLIC

Content hashes

Canonical text8c11722cb3006723476bdaf5d0ae49c90e8b0f9c6c7033679d3caa38e4c77ea2
Markdownf788cdfe77acad955afc82511573c7fe00b8faf71476ecc79de290b43dc5335d
PDF
Publication page88677f8c06d043b4022bd664ea6e44caa2efcf00a1374db0902afa01086b3ce1
Manifest56719959f5fecdab78522a5209acba475042adf07f982551b47756e976d4249a

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
SignaturerfYLX1ytSrFXk9Hk1MvsF2axLFKLnfqG/cfn6c3RCIhFZFBwZiEYoC/Zt//PRxkn+YLHly/440rkdm/dQLAXBQ==
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

2026-09-17T10:01:00.405519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081885
observed 88677f8c06d043b4022bd664ea6e44ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.388737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081885/manifest.json
observed 56719959f5fecdab78522a5209acba47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.371033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081885/publication.md
observed f788cdfe77acad955afc82511573c7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.352797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081885/publication.txt
observed 8c11722cb3006723476bdaf5d0ae49c9...
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.