OpenTechnical

OT-2026-000048088

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000048088) never changes.

Identity and time

Publication numberOT-2026-000048088 · never reused
Internal UUID01a0ae7f-c423-7661-9419-c7ded39812dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048088
StatusPUBLIC

Content hashes

Canonical text5875f05115d723328190abce9938920a91c7faf3b50c0fdeb7e5b89ce93a444e
Markdown2d6e87da875f0e3a41da0e32b47331ac273c8ac97e5f55ba1d166a58f6b8b2b5
PDF
Publication pagee49876ecc1fb83db1ccc8c918442479f5a20ea7c33dac6459b424467c7a81222
Manifest944e337642ce9c27d6e8f86c0d61bd223977be8fe8a7b7ddbd6a88cb7560c6e6

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
SignatureZdjHChhY8ZD5Rl4dzM1BsjnXTrF5YKTOO8dvkMAw3Od/QVzChR1JR2vGHfv1PVP7sBC0VcYoAXRNLx5JM6Y0Dg==
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

2026-09-17T11:06:06.513346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048088
observed e49876ecc1fb83db1ccc8c918442479f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.494859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048088/manifest.json
observed 944e337642ce9c27d6e8f86c0d61bd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.476999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048088/publication.md
observed 2d6e87da875f0e3a41da0e32b47331ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.459352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048088/publication.txt
observed 5875f05115d723328190abce9938920a...
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.