OpenTechnical

OT-2026-000038199

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000038199) never changes.

Identity and time

Publication numberOT-2026-000038199 · never reused
Internal UUID01a0ae78-2d50-7a9e-88f9-f0b72e556574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038199
StatusPUBLIC

Content hashes

Canonical textfcfada32313388a242b6f1ea3fbd0c5a23f14c7db498c0299a25b2acca632b45
Markdown6d2dcb728db650ed03010db8512277ec20b642fbc9b3ce02502cb3eb6d31877a
PDF
Publication page332d4c5c87fb815e12ec2a0f7d6989274c53c913bb327715540df4852d24e7ba
Manifestb2b2febfa4293472426f2317cb91958ddb67d58df341302fb75d20ecf6b70de4

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
Signaturem+PBXmbUMh4PqwYkv3dPXM9zGtYfNLSrgss/RecUd1HHdXwG2XubSkb244Y9fi2DehhZeiTEFb0fEN/J8oLTDw==
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

2026-09-17T11:22:19.795878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038199
observed 332d4c5c87fb815e12ec2a0f7d698927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.777803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038199/manifest.json
observed b2b2febfa4293472426f2317cb91958d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.760959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038199/publication.md
observed 6d2dcb728db650ed03010db8512277ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:19.742714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038199/publication.txt
observed fcfada32313388a242b6f1ea3fbd0c5a...
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.