OpenTechnical

OT-2026-000006787

Publication integrity record

Vacuum cup gripper, pump fed, vented before set down, rubber cups, flat form

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-2026-000006787) never changes.

Identity and time

Publication numberOT-2026-000006787 · never reused
Internal UUID01a0a967-632c-7bc6-80de-7fae15782bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:48:40.239081Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006787
StatusPUBLIC

Content hashes

Canonical text37c67869e40d3062e46d58eb0cfb5595210ea8ad8ff4a328c78e87623950b2e6
Markdowne445ab01ea54e1c3aeffdefd054a45e16b5a7014b7b10a64e0ff6b30aa5726b4
PDF
Publication page54e4724d0beac3b1fabdf2641c10ce442ce00b78921e9e750d9780f35340c42c
Manifest6571847ac3ef151a0c9de4dde4460b0d0f35a213436948cf82062f91e6130a81

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
Signature/k2M5+psTM2F82qxQxUzv/gbn9/INUrOz9iYmHXI3t89J5iqlwtfeK1/+tVrsFiwcKaAu03K6tbxa2FH2kKFDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:06.436754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006787
observed 54e4724d0beac3b1fabdf2641c10ce44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:06.422408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006787/manifest.json
observed 6571847ac3ef151a0c9de4dde4460b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:06.410554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006787/publication.md
observed e445ab01ea54e1c3aeffdefd054a45e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:06.398897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006787/publication.txt
observed 37c67869e40d3062e46d58eb0cfb5595...
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.