OpenTechnical

OT-2026-000034039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000034039) never changes.

Identity and time

Publication numberOT-2026-000034039 · never reused
Internal UUID01a0ae75-df0c-7e63-9e2e-48bf5cc700bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034039
StatusPUBLIC

Content hashes

Canonical text3e6e4ddd0df00d17d5b186c1e7b458b97be23e08d5d3d2ddea6d719cd77eeac2
Markdown1808607b4795c81a534efad3ff85a4dac343d9e5ffcfbef9c6918295b422eee3
PDF
Publication page87b53b2db1ae0b722b79bc4a09287d85d5c137035302945944ebc73882be860e
Manifest13c4d1c8515aa20883d0e9d4d506af950bc6864c50ccdb4c2aba8d7eba9782f6

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
SignatureforribiOCySFKwH00ekPchh/WFM7q6CKORtebMfCGZAVjunXkue61KzvFYsJ5qPGuBtiEq/+cGykgUlpAmriDA==
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

2026-09-17T11:30:16.346491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034039
observed 87b53b2db1ae0b722b79bc4a09287d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.331039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034039/manifest.json
observed 13c4d1c8515aa20883d0e9d4d506af95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.311835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034039/publication.md
observed 1808607b4795c81a534efad3ff85a4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.292980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034039/publication.txt
observed 3e6e4ddd0df00d17d5b186c1e7b458b9...
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.