OpenTechnical

OT-2026-000070907

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000070907) never changes.

Identity and time

Publication numberOT-2026-000070907 · never reused
Internal UUID01a0ae91-8c2d-7aaf-96af-0a491080f1af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070907
StatusPUBLIC

Content hashes

Canonical textd01f867eb8e5c3c85b2c0b2b21bc2bccacd10f73fb23200fbe98cb01e087ab82
Markdown091a2e37b9aba5f3e0e7fc708a067143ca0e362e484d2046817e4199ed2af04c
PDF
Publication paged16fd89bb79757e47e53998109cbd0c6e94203df4cff2bac0f44e74f6342132a
Manifestcb8d730a146969b4b281295b4a4f66cd284ed4ea367bd1b6f80c021119a61736

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
SignaturebM50tAIMFf1fbZMGmd9W4TKFhTFKcvPAHUsxIyRm3+FhvV+O4/PZCik/XH4C7QWoEa9dc8zEbNqSs4w/vPQtCw==
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

2026-09-17T10:25:44.189051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070907
observed d16fd89bb79757e47e53998109cbd0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.172412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070907/manifest.json
observed cb8d730a146969b4b281295b4a4f66cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.157002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070907/publication.md
observed 091a2e37b9aba5f3e0e7fc708a067143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.139882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070907/publication.txt
observed d01f867eb8e5c3c85b2c0b2b21bc2bcc...
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.