OpenTechnical

OT-2026-000062240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000062240) never changes.

Identity and time

Publication numberOT-2026-000062240 · never reused
Internal UUID01a0ae8c-0abd-783f-8aa3-0135d29c888a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062240
StatusPUBLIC

Content hashes

Canonical textd1440669d21ead34fc73c9877520f68c2b343f5ff4d34975b4e741ba22c1aafc
Markdown876a1defb73d28adfc787440ce2ba22361759dc5772a1efbcbc36f8364952725
PDF
Publication pageee0d23e39ff56a621ef78a68360e6c319acc7a00ea9b9ee172b1900184e8c36f
Manifestd122c1e908d0942a515de1f48fb317354c8347f8f60d111c6e5548a76480e98a

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
SignatureWh0nRp1C5aXvVxstBO03214V93us3JRaFanifOiNIokVuYuapBW4TWDshnxlH2yGMAcnW6+B3LT4tMZXmiUWCA==
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

2026-09-17T10:39:31.004671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062240
observed ee0d23e39ff56a621ef78a68360e6c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.952928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062240/manifest.json
observed d122c1e908d0942a515de1f48fb31735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.934966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062240/publication.md
observed 876a1defb73d28adfc787440ce2ba223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.887243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062240/publication.txt
observed d1440669d21ead34fc73c9877520f68c...
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.