OpenTechnical

OT-2026-000067844

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000067844) never changes.

Identity and time

Publication numberOT-2026-000067844 · never reused
Internal UUID01a0ae8f-c4fb-7b4e-a5e7-9031b4e41b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067844
StatusPUBLIC

Content hashes

Canonical text9b0d383764619ae528f74b73ef884dc8c8fd8d4141fbf0f5d2de4f590f25fc5c
Markdownb7d1cb669b22aeee291fa607df641355e8e32fbde291ab36cf052cfa2b864839
PDF
Publication page08840ca6b29cca0b77e6305e508c83041c8298f3c16a0c4aec622777b7994a36
Manifest661eb2e14da44c135e30584a9d457717bcd1e8c49bf322b98b66f6fa96fc6416

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
Signatures4pC3K8plnWzoRUPQR1v40DEieG2bQnZR7kGtFQYKpl34tQEDORJw5vv2XYML2/OTtUM+yqowDby1d3wweuNCg==
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

2026-09-17T10:30:06.069247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067844
observed 08840ca6b29cca0b77e6305e508c8304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.050792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067844/manifest.json
observed 661eb2e14da44c135e30584a9d457717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.031392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067844/publication.md
observed b7d1cb669b22aeee291fa607df641355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.014557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067844/publication.txt
observed 9b0d383764619ae528f74b73ef884dc8...
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.