OpenTechnical

OT-2026-000029018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000029018) never changes.

Identity and time

Publication numberOT-2026-000029018 · never reused
Internal UUID01a0ae73-2a9e-79bb-a033-6bd356d2cdd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029018
StatusPUBLIC

Content hashes

Canonical text815ca405cecbf24e6cb3dc2e0fc51a1126352a88753430f8c444f9cbce87b45e
Markdown826f01b2756d7aa41e35f082b1ca45380ead594b04548e7192c97f2eca6fcb46
PDF
Publication pagee9cef6d4919b7fea5666e1c546e9a08498548683300a4b19fbae939f79ed981c
Manifest3f2d15e4e9dd40b9c8a638c0a101dd91bc0f771d1bf754b365513556fbcfc86a

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
Signature16lI6/g0OCwV+fx49Yy4v3ca49J3bqDu31kpdXGzvsmMyNHVof+6AuHAuXzk2nEFBOESQlEaMkvO7SDQaNyGAw==
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

2026-09-17T08:20:35.974839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029018
observed e9cef6d4919b7fea5666e1c546e9a084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.955632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029018/manifest.json
observed 3f2d15e4e9dd40b9c8a638c0a101dd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.936857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029018/publication.md
observed 826f01b2756d7aa41e35f082b1ca4538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.793051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029018/publication.txt
observed 815ca405cecbf24e6cb3dc2e0fc51a11...
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.