OpenTechnical

OT-2026-000061715

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000061715) never changes.

Identity and time

Publication numberOT-2026-000061715 · never reused
Internal UUID01a0ae8b-b8aa-73a8-9977-52f019784e2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061715
StatusPUBLIC

Content hashes

Canonical text2cdb4d73aa00d80df20ce2393fceeb4661746740f9360f3daee8cc94e19d9fe9
Markdownca078227b09dd5fb6b8999a3a0e24b22952c78376692963d4d3edc79350ef011
PDF
Publication page4ab0969b0f7a65d415633b5b8c6486847a267b756c9c480d73f76ac12ddc1cbf
Manifest9f6d620fe25c2770ed3a490ad89b15a8aab440ea76062b99bb892fe83583c80c

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
SignatureQGrqKXU6CAQDLIkboTZnzImwoFrrMYj6j3qnwXn1im1TE9HpvoI+WBOAhBG3upJBJsMizkULD3FFiEZJ0jBEDA==
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

2026-09-17T10:40:17.469941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061715
observed 4ab0969b0f7a65d415633b5b8c648684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.449280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061715/manifest.json
observed 9f6d620fe25c2770ed3a490ad89b15a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.427892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061715/publication.md
observed ca078227b09dd5fb6b8999a3a0e24b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.409936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061715/publication.txt
observed 2cdb4d73aa00d80df20ce2393fceeb46...
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.