OpenTechnical

OT-2026-000037928

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000037928) never changes.

Identity and time

Publication numberOT-2026-000037928 · never reused
Internal UUID01a0ae77-f88a-7d6d-bb81-22f5cb82c02b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037928
StatusPUBLIC

Content hashes

Canonical text5e675a4f7cd3fa3d36dd780272dccfe25aaf649508dca5092c921822a8a0dba3
Markdowne16df756e7743c56421af7237d9ef7f62bec5589f15f7c228e2e7476daf85afc
PDF
Publication page50e7148cc075444edcaf6f45b63b98581b464b737124cb1ee30a21de4aae442d
Manifest5e882a454f7f45cf197393f4809b5c377c6cd6d640c2cbe12a10bf5e346fb14a

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
Signaturetr6Qdi4zV+pJEu1oe7J5kVGJ8/b0Tr2yM8dx1XqfVCpIUUg+YL6v9THMZByBjP9QC0g1KfekKrtLK+jjT4uBDw==
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

2026-09-17T11:23:12.533128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037928
observed 50e7148cc075444edcaf6f45b63b9858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.513646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037928/manifest.json
observed 5e882a454f7f45cf197393f4809b5c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.493515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037928/publication.md
observed e16df756e7743c56421af7237d9ef7f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.471330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037928/publication.txt
observed 5e675a4f7cd3fa3d36dd780272dccfe2...
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.