OpenTechnical

OT-2026-000073538

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073538) never changes.

Identity and time

Publication numberOT-2026-000073538 · never reused
Internal UUID01a0ae92-efb9-70e5-817b-319d12816805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073538
StatusPUBLIC

Content hashes

Canonical textd959fd362f9058975df1924930aaa2822adb92a90735cb14f6d8355013fb03e9
Markdownd0ee09986fd2e01d21b14681b0681e1927ddfb22f997603e2155425941cfcc0e
PDF
Publication pageef7c7672212200916b047e51ef125ee5fa841deb7b4fb2aa5cea748c7b5b52b5
Manifest486e1f90baf08bcc5f5d2ba6e8c9acd8f1bd3c3a5303ebf7e964268bf1f287ce

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
SignatureXYK7hg7Tkgo9uPqc/ifcfLMJ0W45SOwhcjRnAmGki6zFp7Erb47abXOobg/MLyG6VqMditsJ8KBsZCXHRnZJAg==
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

2026-09-17T10:21:42.659941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073538
observed ef7c7672212200916b047e51ef125ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.642254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073538/manifest.json
observed 486e1f90baf08bcc5f5d2ba6e8c9acd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.624942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073538/publication.md
observed d0ee09986fd2e01d21b14681b0681e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.606130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073538/publication.txt
observed d959fd362f9058975df1924930aaa282...
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.