OpenTechnical

OT-2026-000060386

Publication integrity record

Foam pad vacuum gripper, pump fed, vented 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-2026-000060386) never changes.

Identity and time

Publication numberOT-2026-000060386 · never reused
Internal UUID01a0ae8a-b7cb-7cae-b04f-5c3f3d4f7354 · 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-2026-000060386
StatusPUBLIC

Content hashes

Canonical text88e42400e78c900eab9dfc1501f555dc4b7da94445778afa88e5cca6d14d260b
Markdown45ef5fde45760e8c5331c7424062366b23173d181210761ab619b15816d44636
PDF
Publication pagec567ea7e09904bd6c8970177cad917347532cb36c8e81d75f3e6302fa567819f
Manifest88a3471cc550723c8e16ea405dbf8c2b8ac1e9bdfd42f52faf1ba5c4d44f2b55

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
Signature4NbHWwdIKHDiqny49anBOVDVi5xk3TkabLfXoGf201EYPmEBBy0oS3ktjmuqXEs6lpZ1yamskhSM39w9JLt1DA==
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

2026-09-17T10:42:51.183378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060386
observed c567ea7e09904bd6c8970177cad91734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.163353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060386/manifest.json
observed 88a3471cc550723c8e16ea405dbf8c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.145008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060386/publication.md
observed 45ef5fde45760e8c5331c7424062366b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.126939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060386/publication.txt
observed 88e42400e78c900eab9dfc1501f555dc...
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.