OpenTechnical

OT-2026-000061004

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000061004) never changes.

Identity and time

Publication numberOT-2026-000061004 · never reused
Internal UUID01a0ae8b-12f3-7805-b340-73fc9dc27f97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061004
StatusPUBLIC

Content hashes

Canonical text21c38baea28f30157b68114153630371ce866117403e8f7bc5ae5efbdb83cfe1
Markdownad4adcd09435711432572bcc4ba1c70122cf38e45eee82f4b0bdc1b2b3af84ea
PDF
Publication page346cbf7e0929b6668bf069763b43097fe426bdb826d6d87728afd3e7d43dde5d
Manifestfdf566808a5a1c3ac904f15cc2329e0357fee743690d4cc875e8bc8ca12522d0

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
SignatureOS1x99+5kcNx6EH1sl1Ur0pt0sToo3bETsuViX3NAndzkE1b+0vVWYagY02fj+lYMhOs7SBK6O9XOc/NtMIlDQ==
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...

Independent retrieval

2026-09-17T10:42:17.712423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061004
observed 346cbf7e0929b6668bf069763b43097f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.694668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061004/manifest.json
observed fdf566808a5a1c3ac904f15cc2329e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.675776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061004/publication.md
observed ad4adcd09435711432572bcc4ba1c701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.657565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061004/publication.txt
observed 21c38baea28f30157b68114153630371...
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.