OpenTechnical

OT-2026-000070312

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000070312) never changes.

Identity and time

Publication numberOT-2026-000070312 · never reused
Internal UUID01a0ae91-545e-7471-be53-5f36d7b6fe5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070312
StatusPUBLIC

Content hashes

Canonical textd7f3a20b5ec0f519f11a98cf859a9cc3f39758649bd96c2018a1fbfaf695d011
Markdown6c2d4eaf3f44569e79863e70fdd5af4247cc0405c7a72175d77a296c6593d078
PDF
Publication page0e59b4c67a6c751f83324db9e52798e2c8a9b8dc07fa07cdd3545ac5abc798ce
Manifestc6d6995a5e24b8baada1e702c429848985863db846d53246646a6d8d9c18bfd6

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
Signaturef5TLjkwTKgkJVtuaF4OV1gULiK0NOfJi83UAK/y1CvNHDZvFQmb8eRzkWDs/WH/odk+du/TpWpblMKEuMnzcCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:06.074171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070312
observed 0e59b4c67a6c751f83324db9e52798e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.057730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070312/manifest.json
observed c6d6995a5e24b8baada1e702c4298489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.040248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070312/publication.md
observed 6c2d4eaf3f44569e79863e70fdd5af42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.004888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070312/publication.txt
observed d7f3a20b5ec0f519f11a98cf859a9cc3...
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.