OpenTechnical

OT-2026-000042230

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000042230) never changes.

Identity and time

Publication numberOT-2026-000042230 · never reused
Internal UUID01a0ae7a-5d72-72d3-809a-017e7cc7bdba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042230
StatusPUBLIC

Content hashes

Canonical textbec4085122b3f4a369e2adc552f6cc189c88ef1ff34a19cb81a1e3d77e031844
Markdown95cb2ab8382ad3add2833773b90c1dde9f96c5876644321de2273e6bb8675bad
PDF
Publication page2ac91975b70340d08cbed10024b1147e7170d93b86f856e5fcad2049e948493e
Manifest27696b00c046d5e2c8a08822ec068b5695da0d985184374999e2fe48139c0a3f

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
Signatured3fTGs8oSCdW0sMRC5p+O8xSswcDvGu03X1zkC9+l4JGg+0eT2MSQ9W++En0vTxts6o1oG4XSqQolBNrPIioCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:54.415759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042230
observed 2ac91975b70340d08cbed10024b1147e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.398356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042230/manifest.json
observed 27696b00c046d5e2c8a08822ec068b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.378673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042230/publication.md
observed 95cb2ab8382ad3add2833773b90c1dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.359815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042230/publication.txt
observed bec4085122b3f4a369e2adc552f6cc18...
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.