OpenTechnical

OT-2026-000054997

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000054997) never changes.

Identity and time

Publication numberOT-2026-000054997 · never reused
Internal UUID01a0ae86-5e80-7dcb-8f1a-52b0a6e4c647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054997
StatusPUBLIC

Content hashes

Canonical text586f4fa6e3f2cc8c93115ac97eaf198f2cab3076e42e8992050d87a6810e5211
Markdown4e41606c74c46408a722f38e96ce38bc83a599beeaffb0d9f9bda48addb45797
PDF
Publication page8171786246ee4211a011360b957e912a942ebee9a63a134bfe490a497fb0e685
Manifest1a6d6d31b3e2efcb944eafa96220e27997694152d03c4e83bcbd4c7bb046a008

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
Signature5mtWkOqns6O7jzAXwHGH/8zytPn0F/cM7iK+eazUkMF9XLE9aOfAdyBBfTWlGAJFCCkwp5HlYRkIyJQb4+FYCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:07.653914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054997
observed 8171786246ee4211a011360b957e912a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.636430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054997/manifest.json
observed 1a6d6d31b3e2efcb944eafa96220e279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.619532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054997/publication.md
observed 4e41606c74c46408a722f38e96ce38bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.603380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054997/publication.txt
observed 586f4fa6e3f2cc8c93115ac97eaf198f...
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.