OpenTechnical

OT-2026-000062028

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000062028) never changes.

Identity and time

Publication numberOT-2026-000062028 · never reused
Internal UUID01a0ae8b-b8af-7362-841c-6e59527d9475 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062028
StatusPUBLIC

Content hashes

Canonical text23ca529e298db0c45a415dff725b7341f6aba551c3c94d37751a5b836348b2d2
Markdownae74499bd93b320a4c5afbd80a2c2a9362fdcf1ea916baf3d200c3b27738c9d8
PDF
Publication page0a4b3363d6414f6b51d07e5de473a7941502384ca3cb9684004d87c880be2e2b
Manifest64d0d5f8611196032a820c8cffabac331984461d611190f3726af25393bcb46b

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
Signature+w9+xrJGtvGw7zFwYiG0SmvOznYwxmqWJai1flsRNIcvc9QqawEnPG5EW3izGq3ZDYVoYLqfLztpfk7QdiKeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:03.777163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062028
observed 0a4b3363d6414f6b51d07e5de473a794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.757188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062028/manifest.json
observed 64d0d5f8611196032a820c8cffabac33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.738789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062028/publication.md
observed ae74499bd93b320a4c5afbd80a2c2a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.719543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062028/publication.txt
observed 23ca529e298db0c45a415dff725b7341...
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.