OpenTechnical

OT-2026-000060868

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000060868) never changes.

Identity and time

Publication numberOT-2026-000060868 · never reused
Internal UUID01a0ae8a-b7d2-71ab-8998-99573daf7e04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060868
StatusPUBLIC

Content hashes

Canonical textfa32e0f3aee2c39ecfa8ff288e52fbaa52b6aa8825fde1cad263bb6fac5fbc42
Markdownb7c2c0288dc14ba5755c075be7aa293fcc390af5a3438dc0846af56dcbe86f2d
PDF
Publication pagedc9896d30223b8cdd67b4faa3df6cdbf514c504191f039d64b9d04b14f84c0f7
Manifest475572cf8621db12f59a05b8705798a6024ba1ab66c5654cb38e9337dac02dd9

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
SignatureKdXI35wvdxVgE6w0XCrZY+QcW5csff1eym9nLbpi/9yeyNmV883uXRXmDXubh9GQSCiGnFTRIqtSYRAvKAL+Bg==
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

2026-09-17T10:43:37.707366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060868
observed dc9896d30223b8cdd67b4faa3df6cdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.689865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060868/manifest.json
observed 475572cf8621db12f59a05b8705798a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.672150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060868/publication.md
observed b7c2c0288dc14ba5755c075be7aa293f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:37.654897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060868/publication.txt
observed fa32e0f3aee2c39ecfa8ff288e52fbaa...
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.