OpenTechnical

OT-2026-000016819

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000016819) never changes.

Identity and time

Publication numberOT-2026-000016819 · never reused
Internal UUID01a0ae6e-5919-7b57-ae02-423be54169b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016819
StatusPUBLIC

Content hashes

Canonical textad9615d3e2227efe32b14947720d3755431ff9c498e6526e94765407111c2b24
Markdown734e7a3f1979a122b0af4e20986b745554e7eb186bf86a9ec82ad341bfefa619
PDF
Publication page697b13b3d9ae55e62671ea7a1962d21cddc7feb026bf98342d5091896d1493df
Manifestbde3426cf86c865d42a18ae231ee98d624e81b53861894d601812d8f1671376e

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
Signature9wt0n3YIOIhsPOimkXBmWahUTT/M99gFT2+Rcw+5pEp02ekM3oXXlBZV8SftTeWyJajHfRg1yamhJMelALu9AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:04.545548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016819
observed 697b13b3d9ae55e62671ea7a1962d21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.526261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016819/manifest.json
observed bde3426cf86c865d42a18ae231ee98d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.510777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016819/publication.md
observed 734e7a3f1979a122b0af4e20986b7455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.493137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016819/publication.txt
observed ad9615d3e2227efe32b14947720d3755...
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.