OpenTechnical

OT-2026-000056050

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000056050) never changes.

Identity and time

Publication numberOT-2026-000056050 · never reused
Internal UUID01a0ae87-0a4b-7e3e-b5b9-2904cc6a6b03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056050
StatusPUBLIC

Content hashes

Canonical textbf0b31f9a68e1fb44da41775b95527836fc9a08fc6140598ecb2fbea85121a87
Markdown9d8f2fcd5cbc4b392f988ba541f9207352446962aa4161e4b6401904eb0e22bf
PDF
Publication page1a041c2c8e6b05dca09c2e5346be9f7f5f9efb35dd6661c97c2ce50a1bab6e9a
Manifest9e6535bd5e4028752ab23f2cb7aadd1ef182f5027704955983d293cbabe506f4

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
SignatureadsmhJ++IJ6sDJi0sFQ8pEKaBIWisLLgwuf3elGOGbcnjvaqJlNh7pSNLSiQ+IYIdXoPNpt9KXzc8b8RrF7rAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:35.000111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056050
observed 1a041c2c8e6b05dca09c2e5346be9f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.982361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056050/manifest.json
observed 9e6535bd5e4028752ab23f2cb7aadd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.962528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056050/publication.md
observed 9d8f2fcd5cbc4b392f988ba541f92073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.940906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056050/publication.txt
observed bf0b31f9a68e1fb44da41775b9552783...
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.