OpenTechnical

OT-2026-000052574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000052574) never changes.

Identity and time

Publication numberOT-2026-000052574 · never reused
Internal UUID01a0ae84-573b-717e-8fa2-6ff32ad21c11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052574
StatusPUBLIC

Content hashes

Canonical text078e4901f22a2d62aac25c8ed9df183153ed99305a98a91fd53556d84cd257be
Markdown59043f894369993642101b060abf363f3cdbef29ee484dbde6d6337508b49f06
PDF
Publication pageec67bcacc5601ed44be0540db6b5c60569f4afe7666b7dcc15098358b869053f
Manifest62567bdd05db1184201ef43f1c47d645948f16557c83a664e1d5aa908610ac63

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
SignatureisowalZ2D9yaLT/wcXjsRb+RrPezcBk1+rv4mq948gJhKmJ88uhZHV8iw7JwxQt7085ONkGnBpSnXggwiYMPBg==
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

2026-09-17T10:57:14.057758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052574
observed ec67bcacc5601ed44be0540db6b5c605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.039738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052574/manifest.json
observed 62567bdd05db1184201ef43f1c47d645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.022101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052574/publication.md
observed 59043f894369993642101b060abf363f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.006087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052574/publication.txt
observed 078e4901f22a2d62aac25c8ed9df1831...
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.