OpenTechnical

OT-2026-000056659

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000056659) never changes.

Identity and time

Publication numberOT-2026-000056659 · never reused
Internal UUID01a0ae87-7af6-7134-83ff-aa66c7040f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056659
StatusPUBLIC

Content hashes

Canonical text735a358ef26c708039b6111e4af27c0ce90fad4b17564000f7102f6f01fa95ab
Markdown332777e17d2e311c0576338ac4232f84362b6cde772adc35ed90ac3e3be1c325
PDF
Publication page537a1ce9691691b184241c77e6b9ad4a179e63946795a5655eef21de5abc8dcc
Manifestf68a698b0233b5795a045e03cf0803c3242c83a95a4b84fcfc25c51b6769ebcd

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
SignatureHSC7HlPF/XtO3Bc7lOrlWQAsYDsvkra0POSfaFIOxcx+czFdnOs5if2RZkfVX8jUXcFw4TsanLNTksSD1nCZAA==
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

2026-09-17T10:50:01.552487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056659
observed 537a1ce9691691b184241c77e6b9ad4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.532997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056659/manifest.json
observed f68a698b0233b5795a045e03cf0803c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.514092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056659/publication.md
observed 332777e17d2e311c0576338ac4232f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.495750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056659/publication.txt
observed 735a358ef26c708039b6111e4af27c0c...
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.