OpenTechnical

OT-2026-000046001

Publication integrity record

Single cup vacuum gripper, 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-2026-000046001) never changes.

Identity and time

Publication numberOT-2026-000046001 · never reused
Internal UUID01a0ae7d-8f8a-7e5f-9f07-ceef2c1df3a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046001
StatusPUBLIC

Content hashes

Canonical textbae878cef9ea82beec32afd5efe4ae9008358992bfb6dccd0a1be7aebb8f2c2c
Markdown532028c596b49444fe2e57a449a894b116f2cc9d486d11bb8f817339a6e69f8e
PDF
Publication page48a1045a9414a6552420c9eca729abc6364b9bc8958f8bf2a8d06e954c2fcb7d
Manifest8a313a6608a5ec43db100afdbf4256d94276a73aa51139a0c4d5a5f54be92a1b

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
SignatureKNejXqeQ9uec5Xqxnkzqi3RYEG3OX2kgsWg9dGkiiRU3Q/LSdYRCLEcB921IWJVPSVxHyyvdNIXf7cxj9eYxAA==
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

2026-09-17T11:10:00.117031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046001
observed 48a1045a9414a6552420c9eca729abc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.100563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046001/manifest.json
observed 8a313a6608a5ec43db100afdbf4256d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.082776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046001/publication.md
observed 532028c596b49444fe2e57a449a894b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.064307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046001/publication.txt
observed bae878cef9ea82beec32afd5efe4ae90...
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.