OpenTechnical

OT-2026-000043668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043668) never changes.

Identity and time

Publication numberOT-2026-000043668 · never reused
Internal UUID01a0ae7b-92d0-7f07-a47a-662c3efe892a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043668
StatusPUBLIC

Content hashes

Canonical textdfe287d41a7edd9a8ffa71d0fcbce40feb62a77e042c7fc028a801f9dba54c98
Markdownf7ac23efd05024b2b7567bbc7969462af0ca901eb59cfb9f132b16b58b58cfa3
PDF
Publication page582f0920bdc1cba3efdb09848c02f90883ecc51d1ecdfd3e795cd1d2ecb7dc76
Manifestb94a7bb9fe064faedad5a86bb5be43df1e5bc144c1f6ba51c85fa3e61581836b

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
SignatureVDm69j6f0uIj5JrChQpber/3h5ZPndowhxQYNwN/zZTgqKMsQQcPCRuEWju0w00EpPLF5LAcVv6q9i4EKdLOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:09.303905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043668
observed 582f0920bdc1cba3efdb09848c02f908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.285191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043668/manifest.json
observed b94a7bb9fe064faedad5a86bb5be43df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.264668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043668/publication.md
observed f7ac23efd05024b2b7567bbc7969462a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.246854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043668/publication.txt
observed dfe287d41a7edd9a8ffa71d0fcbce40f...
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.