OpenTechnical

OT-2026-000055993

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000055993) never changes.

Identity and time

Publication numberOT-2026-000055993 · never reused
Internal UUID01a0ae87-0a4a-715a-8d34-cdcbea663684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055993
StatusPUBLIC

Content hashes

Canonical text1d630b31fb24be204079a9cbc22e7a56988c5761749ab7b1414c1f921e3f4681
Markdownb25105ea7044ab677288aab522565737c1e7bc7891f8ce5b9eab043369346f88
PDF
Publication page1e917f6b2fe78bab44ddce27c80f7625ef0e9783bd595cc8cf77e41d36585b72
Manifest445923db0add23aa114547023fde5d68f1c9c3ab90b7d75f63aefb2c658b907f

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
SignatureXSS03D01Bmdim/cawuF+KoK2mG99W3dI0+HbadEmHCQs/ygForAKY4jmdUcE6Y+KH7kcVI+zkjPSJ//ji3oABw==
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

2026-09-17T10:51:31.065882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055993
observed 1e917f6b2fe78bab44ddce27c80f7625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.049437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055993/manifest.json
observed 445923db0add23aa114547023fde5d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.029323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055993/publication.md
observed b25105ea7044ab677288aab522565737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.012876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055993/publication.txt
observed 1d630b31fb24be204079a9cbc22e7a56...
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.