OpenTechnical

OT-2026-000020849

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000020849) never changes.

Identity and time

Publication numberOT-2026-000020849 · never reused
Internal UUID01a0ae6f-65e3-7ffb-b3d4-6dcf4982155c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020849
StatusPUBLIC

Content hashes

Canonical text80ac793e7ffa3dbf592ebf55f994c46a1b43a78021ee9b3dab21f27204523bd0
Markdowne378c6f02e2c480307434e9b31cbabce1757d8000bd7ad40e252e60a2320c9e2
PDF
Publication page127f6f726a1c769085871b0e6ae550f0895fd772025530736bc69b88678b4ccc
Manifestc32278fae3ebd08a10b588c3ced5848f62dc6ecd00214bd80c7075dcc31703ad

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
Signature5fWoIc69f1ZIsMWF9Cj6Jvfq55P4xN7oX9hy4WVMl04R+hvSDoqH9P495J/jOBEv6YzGVK2idhmVDRurz0PSBw==
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

2026-09-17T11:55:56.860689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020849
observed 127f6f726a1c769085871b0e6ae550f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.840699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020849/manifest.json
observed c32278fae3ebd08a10b588c3ced5848f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.821376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020849/publication.md
observed e378c6f02e2c480307434e9b31cbabce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.804205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020849/publication.txt
observed 80ac793e7ffa3dbf592ebf55f994c46a...
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.