OpenTechnical

OT-2026-000061084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000061084) never changes.

Identity and time

Publication numberOT-2026-000061084 · never reused
Internal UUID01a0ae8b-137d-7001-9701-0fc0675d2ee7 · 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-2026-000061084
StatusPUBLIC

Content hashes

Canonical text7ca2356f599765add00640d77cc341e86c8d31cbddb45d5c26837de9b57cbd9f
Markdown75f82610f26463838585eb28976399f30c876b1f82e1b00532a45e0ff609701b
PDF
Publication page0e7e25534e6379513d82bfa6ca2bb852c91fce8fb2c6217f18d6838809bba6d8
Manifested4d0443ca3e5b8f609e763f6b146aa4810b4aadef020290b3661e2a5e6512a2

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
SignaturefOQfo2mrKw8nMfNDuHT2hGcvFsyPtSjlYYaycOvna3yLbeKxpdTxvGoL4AS1JGnIhYa9mxkGyZVZexBFCmP/BQ==
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

2026-09-17T10:42:26.890343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061084
observed 0e7e25534e6379513d82bfa6ca2bb852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.871440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061084/manifest.json
observed ed4d0443ca3e5b8f609e763f6b146aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.852629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061084/publication.md
observed 75f82610f26463838585eb28976399f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.834011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061084/publication.txt
observed 7ca2356f599765add00640d77cc341e8...
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.