OpenTechnical

OT-2026-000040949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000040949) never changes.

Identity and time

Publication numberOT-2026-000040949 · never reused
Internal UUID01a0ae79-6d11-772a-8eb2-5be4d5862905 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040949
StatusPUBLIC

Content hashes

Canonical text210e5499e6c80f602e7644f0447235b4deb62dbc094b70159f5db915d55456a2
Markdownfbf155dcacbcbaee4c4316a7dc86e86b26ea578aeb6ae8c887edc3a1618670f4
PDF
Publication pagecf1406d61f79a1463f6133ae4139334b9074f767ed6b8d98d18e563a4a5d3b4a
Manifest9394a5e34786fbd70666e8818a2b402d4b0c7162700b6c640e7709b15be1c29d

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
SignaturepfKhfBIb5+K4nF/Z1EJSa2hDBH9f54STpCU6LGKDT5OoDGLacU/9B3pNeW4dkJUsUqMyBk7WuZAxp7vzA88RDw==
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

2026-09-17T11:20:20.841825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949
observed cf1406d61f79a1463f6133ae4139334b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.825454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949/manifest.json
observed 9394a5e34786fbd70666e8818a2b402d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.806743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949/publication.md
observed fbf155dcacbcbaee4c4316a7dc86e86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.790886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949/publication.txt
observed 210e5499e6c80f602e7644f0447235b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.692164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949
observed cf1406d61f79a1463f6133ae4139334b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.675389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949/manifest.json
observed 9394a5e34786fbd70666e8818a2b402d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.659556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949/publication.md
observed fbf155dcacbcbaee4c4316a7dc86e86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.643564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040949/publication.txt
observed 210e5499e6c80f602e7644f0447235b4...
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.