OpenTechnical

OT-2026-000040234

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000040234) never changes.

Identity and time

Publication numberOT-2026-000040234 · never reused
Internal UUID01a0ae79-26ff-7906-9421-7e9522c2e457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040234
StatusPUBLIC

Content hashes

Canonical textcf3f831911399e33278041640f1213b4b933ea89624fadff0fc9d54a05858d5f
Markdownefb5649601ad54af5adc5616c7239957e56912c2df576a200210c4fcc034a60f
PDF
Publication page5a806e0c83cd7aaa691e00eac90c8042b1d8cfc4149e9446f064143468cf5643
Manifest062ab71b044e29ec34e7611456d4aea83c63e5eb4b49dd38b63a1862ec30078c

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
SignatureVlL8iAZLKlCtJSF6U178L/r2/PU/mxZF3zrnhBITsItYKdO98QX/BZ8Sm1xKbk4wl2RS+df3Rs1jZKSLamvMAw==
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

2026-09-17T11:19:07.516170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040234
observed 5a806e0c83cd7aaa691e00eac90c8042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.498832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040234/manifest.json
observed 062ab71b044e29ec34e7611456d4aea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.480638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040234/publication.md
observed efb5649601ad54af5adc5616c7239957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:07.463704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040234/publication.txt
observed cf3f831911399e33278041640f1213b4...
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.