OpenTechnical

OT-2026-000073042

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000073042) never changes.

Identity and time

Publication numberOT-2026-000073042 · never reused
Internal UUID01a0ae92-c816-7f0c-a66c-75899b65aa8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073042
StatusPUBLIC

Content hashes

Canonical text3790a8076b4a791d922e88b39398822b3c1507557f5ebcbbefe6f1d8d412dee0
Markdown2c815d3cdf12cdecdff43c1b68f5c8e6e9d4ceb29ffc8fc530f14fc953d47670
PDF
Publication pagefd7173939e0170d0d5c3822bf209699959989050ec6822bf580380b28d5216bc
Manifest47014f0cb2b18e046f0123ea920a98ba43cac16fadc2d8a8315a3d2644b4b62e

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
SignatureUbydytKxLgqRULdFEI4gxT3HDnhWZbyz6fFC5Z+yo3//enLblsAd0u3GxnXD8D1QyZgu4jmFHfD+xF6FtZNsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:59.097406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073042
observed fd7173939e0170d0d5c3822bf2096999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.079127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073042/manifest.json
observed 47014f0cb2b18e046f0123ea920a98ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.061617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073042/publication.md
observed 2c815d3cdf12cdecdff43c1b68f5c8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.043729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073042/publication.txt
observed 3790a8076b4a791d922e88b39398822b...
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.