OpenTechnical

OT-2026-000061243

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000061243) never changes.

Identity and time

Publication numberOT-2026-000061243 · never reused
Internal UUID01a0ae8b-1382-7332-8ebb-9577f65aec40 · 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-2026-000061243
StatusPUBLIC

Content hashes

Canonical textba8e1a11c5686e7c2f4720f01bab254740afea64e6ea53c20c21f33cdf84b36a
Markdownf568d51feb6f762c7c7df395b283232f7a6d2677e94614d2595489aafdc66e92
PDF
Publication pagef0db79bc4b9dfd6f148271ffae24456df272d0de82df1a3a0bf618bb2a1a9f3b
Manifest20736c4625418f14d7cc8cf712e09275c3414ccddb856c71061ad518c3af2d23

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
SignatureCIufASp4bJvbZYNfPVYsQx4yCwJZKOH4JZkqPnDJxo3NKkJxq7kzt6O1jq1QpRB6zotndWL27QCG9Vl5Btb/Ag==
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

2026-09-17T10:42:39.362672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061243
observed f0db79bc4b9dfd6f148271ffae24456d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.342369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061243/manifest.json
observed 20736c4625418f14d7cc8cf712e09275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.324821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061243/publication.md
observed f568d51feb6f762c7c7df395b283232f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.307334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061243/publication.txt
observed ba8e1a11c5686e7c2f4720f01bab2547...
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.