OpenTechnical

OT-2026-000049601

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049601) never changes.

Identity and time

Publication numberOT-2026-000049601 · never reused
Internal UUID01a0ae81-8f7d-7693-87a6-62cdb38cebb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049601
StatusPUBLIC

Content hashes

Canonical text591bc49b4ecbe419eb65bb9005ce2376f940891737dfd84ba32d6654c454fda3
Markdown328b352ecfef97232dc00c52124167e0afba3f2dee2126406ba29c9dbe138ac5
PDF
Publication pageeb295a69434d60b39dff6b3bc578ced9121425d927c3b1c944f84cbd9cbf3228
Manifest5fcc5341ee04279cb4b2435b0b6d96930bec1cb6400b3a137ceeb2b5709b1fcd

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
Signatureq/iZhQluoc2JuLfQUQLIsm19GgfNR9Gi8mgtT6nB9FVTF7RVXLOFfxXyKDzUVM+Jp6V/lJmSDpHC3uICOnptBA==
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

2026-09-17T11:02:34.949632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049601
observed eb295a69434d60b39dff6b3bc578ced9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.930683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049601/manifest.json
observed 5fcc5341ee04279cb4b2435b0b6d9693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.913731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049601/publication.md
observed 328b352ecfef97232dc00c52124167e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.895651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049601/publication.txt
observed 591bc49b4ecbe419eb65bb9005ce2376...
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.