OpenTechnical

OT-2026-000034744

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034744) never changes.

Identity and time

Publication numberOT-2026-000034744 · never reused
Internal UUID01a0ae76-1ed2-7f0a-a52d-f6ae4473462a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034744
StatusPUBLIC

Content hashes

Canonical text50994dd3cc8173f920c16e7d307aaeb5a0ffba5e66ab94ecae86fe67fdf2bf72
Markdown24fd962a159e28709c778b29598aa20863d1e4ab04f1430a0421659bbaca874c
PDF
Publication pageb69a2b3593ae5b7c9c6a86928ac1670ce96be9067987cfcee81281e6c91a4fe1
Manifest4efaa146bd8e7a8bea9fa179b93ac6b2561b0144b741ebc4613b38f8bb990400

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
SignatureozdFsxwK0xsDcqvKXQNcJOkIZl5GctwqOtfat9wxYShbo+26hzYVg9PKgEbdu/OyjgkA34XHGsiKifv/KwmlAw==
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

2026-09-17T11:30:13.774527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744
observed b69a2b3593ae5b7c9c6a86928ac1670c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.756646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744/manifest.json
observed 4efaa146bd8e7a8bea9fa179b93ac6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.735380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744/publication.md
observed 24fd962a159e28709c778b29598aa208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.715454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744/publication.txt
observed 50994dd3cc8173f920c16e7d307aaeb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.069606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744
observed b69a2b3593ae5b7c9c6a86928ac1670c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.052579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744/manifest.json
observed 4efaa146bd8e7a8bea9fa179b93ac6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.034107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744/publication.md
observed 24fd962a159e28709c778b29598aa208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.007393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034744/publication.txt
observed 50994dd3cc8173f920c16e7d307aaeb5...
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.