OpenTechnical

OT-2026-000020926

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020926) never changes.

Identity and time

Publication numberOT-2026-000020926 · never reused
Internal UUID01a0ae6f-65e4-75f3-be79-565cfc4fd76f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020926
StatusPUBLIC

Content hashes

Canonical text83b0a08767bd26859ce71e6d7a52117b5b6fdedaf91df33b4015bf41d80735f1
Markdown3a12aef55f00b8db7d19e88e5fe8569c64db66559634f9f1ca4bcab22863b23e
PDF
Publication page5d8367358a2e2da6e70bd2957cae048840d7e3f13908a5d55061055b9524f6f0
Manifest83cdf5fddf37eb605a960d1c6a09b8276c5b54f2af2cf6da178a3be73d7267ef

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
SignaturecIe8YKC8liXyYwfQGZGoiuenf8QzcebCorCMh4obMMjnqbn/aRwmUEFZpz9Ad74lmhgUS2tMKHDMBJC3HdxAAg==
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

2026-09-17T11:56:03.041091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020926
observed 5d8367358a2e2da6e70bd2957cae0488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.024567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020926/manifest.json
observed 83cdf5fddf37eb605a960d1c6a09b827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.006394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020926/publication.md
observed 3a12aef55f00b8db7d19e88e5fe8569c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.989085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020926/publication.txt
observed 83b0a08767bd26859ce71e6d7a52117b...
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.