OpenTechnical

OT-2026-000037197

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037197) never changes.

Identity and time

Publication numberOT-2026-000037197 · never reused
Internal UUID01a0ae77-7741-766f-9f35-3a6e83e77679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037197
StatusPUBLIC

Content hashes

Canonical textd9671bba9ea0b4431c261da1045d2eed27be25101d3f3c1381f1d9d780533ce1
Markdown151ff3e281bb920c37073e33c09ea2168b15accb31bd2138593f8e70d982d35a
PDF
Publication page6d67e12ab2e91231640c51f609994f82528364e5fe9af63f0b32014cff3915f2
Manifest644f9d774c5918fffa8c96fa9e1ec31920dfc5223730f657d208dfabca7e97cb

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
Signature+lygSZJI6e4lBshXOv19B17nANU9tXxxSi1y6cVOleWmiTFhWKtolPJkIHWv80qzM5IFKwwTOb7EPnq2DbmQCA==
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

2026-09-17T11:25:04.955671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037197
observed 6d67e12ab2e91231640c51f609994f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.941019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037197/manifest.json
observed 644f9d774c5918fffa8c96fa9e1ec319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.923472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037197/publication.md
observed 151ff3e281bb920c37073e33c09ea216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.907003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037197/publication.txt
observed d9671bba9ea0b4431c261da1045d2eed...
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.