OpenTechnical

OT-2026-000027497

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027497) never changes.

Identity and time

Publication numberOT-2026-000027497 · never reused
Internal UUID01a0ae72-6998-70be-86b3-777ab2ea4257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027497
StatusPUBLIC

Content hashes

Canonical text9a2677706e528c93ad31b350959f16869c0f93b2004870f2842ad7cf8ec1449e
Markdown2b6ddc82b39c976eae7aa704be345732f5211106abf72f2d9ca1283813c3a167
PDF
Publication pagec7de728a215af6432fc5455d70e2f824669832409da88d23d38d0874f0479c3f
Manifest25eb397d8a2a2cb92d492cf355dcff07692a507e189b6a196b878ec353b94946

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
SignatureHTRmN3Mm50ansiNVykhiphlqVnpdvT+sjsWZxORbgdZl4A/iL3p2q0RVnH24DpHang7xUyDWtRj9mn0yW8+GAg==
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

2026-09-17T11:42:57.967985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027497
observed c7de728a215af6432fc5455d70e2f824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.952000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027497/manifest.json
observed 25eb397d8a2a2cb92d492cf355dcff07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.934730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027497/publication.md
observed 2b6ddc82b39c976eae7aa704be345732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.918856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027497/publication.txt
observed 9a2677706e528c93ad31b350959f1686...
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.