OpenTechnical

OT-2026-000050273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000050273) never changes.

Identity and time

Publication numberOT-2026-000050273 · never reused
Internal UUID01a0ae82-5c46-76de-98e6-b11b9a147728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050273
StatusPUBLIC

Content hashes

Canonical text458b704fb0581e1433283df4497c89a45d9da0b41ad271887471f5b6a7169f8d
Markdown682c6ff12e2cfb25799c8992cf2e67af3f98a6f6f4ba63377be3c1dc9afea5d6
PDF
Publication page1bfe6f020fe3736e3f54ef8925c4295c51ef2c50d3d9a134c14a682a635a4d38
Manifest4e88d5786ef61f13d502854d8846dae69e794f144b340a6f4dc3ee9907a8255e

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
SignaturedahzMqEI7ZeuluUg9lAXSVhQybU2k3fkYYNDdwCwI3yweqCVp0sgguzwf4FC2d/VDLQFTN1Q3cvvZqttoJEpCg==
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

2026-09-17T11:01:16.516452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050273
observed 1bfe6f020fe3736e3f54ef8925c4295c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.501878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050273/manifest.json
observed 4e88d5786ef61f13d502854d8846dae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.485598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050273/publication.md
observed 682c6ff12e2cfb25799c8992cf2e67af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.469132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050273/publication.txt
observed 458b704fb0581e1433283df4497c89a4...
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.