OpenTechnical

OT-2026-000058949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000058949) never changes.

Identity and time

Publication numberOT-2026-000058949 · never reused
Internal UUID01a0ae89-479f-7cea-80a6-f81e83777ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058949
StatusPUBLIC

Content hashes

Canonical textdb8ba859fb137bf2163f43eb44836ae922f262b7a6a67b719ce4fd972e920376
Markdown4d771c0404e1d11c6afef108f8efd59b69cde6aaf4468c8db91091d426175523
PDF
Publication page6fdf67974d218c5b71ff841e02a3d1a16487d5c6424dc66b5a9b4edbbcf7240d
Manifestd9ab3ee434f6bbd8063e168ea2271ffc2339180a904a082a426f7f195e7ad5df

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
Signature6gVelFtV2AFKhQdsHkhrHRNMd42vxflE4hRRguhK5VkgKTL9fi4/g2lRoYIeRmWlMJywc5PjHZeHzziuiugcAA==
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...

Independent retrieval

2026-09-17T10:46:31.514934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058949
observed 6fdf67974d218c5b71ff841e02a3d1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.497613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058949/manifest.json
observed d9ab3ee434f6bbd8063e168ea2271ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.481138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058949/publication.md
observed 4d771c0404e1d11c6afef108f8efd59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:31.462842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058949/publication.txt
observed db8ba859fb137bf2163f43eb44836ae9...
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.