OpenTechnical

OT-2026-000079247

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000079247) never changes.

Identity and time

Publication numberOT-2026-000079247 · never reused
Internal UUID01a0ae96-0b90-712e-9fe0-8623b4a78cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079247
StatusPUBLIC

Content hashes

Canonical text7bc94dbe6e38a105c8cd67b35cd3b06593754029f96094194c29637a6de24658
Markdownce8d81f46bcb9e5482b235040033827445a8a5f00aee4d25c3cc19751173cafb
PDF
Publication page9480c57fea6095f55003824588162a1719bb287aeac7de46091e784711969789
Manifestd1bab26584712a991e06972671b962433ab76b3479fdb69bb1fe2eb9f313bcb8

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
Signature8J5zkqwVNHndGwKX7IfGJDmcQahJK8RE0XPhpKk69kIYtuo2vK+2fuLc0iCsfzOkdaZT+JPt1iU+/7+Oy/BdDQ==
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

2026-09-17T10:04:50.359504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079247
observed 9480c57fea6095f55003824588162a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.342806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079247/manifest.json
observed d1bab26584712a991e06972671b96243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.325992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079247/publication.md
observed ce8d81f46bcb9e5482b2350400338274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.310362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079247/publication.txt
observed 7bc94dbe6e38a105c8cd67b35cd3b065...
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.