OpenTechnical

OT-2026-000078797

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078797) never changes.

Identity and time

Publication numberOT-2026-000078797 · never reused
Internal UUID01a0ae95-ccbd-78cf-8461-903d6b5a9f02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078797
StatusPUBLIC

Content hashes

Canonical text2bbccbd6f32a3803b019ee62722b4443e049dbb7797ff1adc47bd27a01edd2e6
Markdown40a31fc0d86199dd06469984852d7d0c784d45c63cc6b5b28444084b300f93ad
PDF
Publication page3e82c803cece284c7a6d3e7c525a836f00442e69cf9aa1d0c016c005301d3233
Manifest82d484ecc0c9437303eb994e648fe0d59eb36e496451555f3a700acc29d2f13f

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
Signature6kDJFy1tiPYkJ+KFtMJix4QWNr69lYgxvGeL725ynb/SEm9B7vcpuZaOWDlIF8B+5p8y9FihDIcYZmhLr8opAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:35.192719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078797
observed 3e82c803cece284c7a6d3e7c525a836f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.173309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078797/manifest.json
observed 82d484ecc0c9437303eb994e648fe0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.155343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078797/publication.md
observed 40a31fc0d86199dd06469984852d7d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.138577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078797/publication.txt
observed 2bbccbd6f32a3803b019ee62722b4443...
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.