OpenTechnical

OT-2026-000073849

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000073849) never changes.

Identity and time

Publication numberOT-2026-000073849 · never reused
Internal UUID01a0ae93-2b8e-79ef-bb7e-1a3816ff3396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073849
StatusPUBLIC

Content hashes

Canonical text1a4741717fe00eab0adb41d18b59fa0c600e0d4a7fd4cc054fa7bd81d82f1a22
Markdown489803196ddc0ebe1501627b1c4b78f67bfdf4d741c643f1ef55ee4f0354ae35
PDF
Publication pageccaa78d9254d5caa612640804c94de5b22dffd9a6b20b9df1d26d9f85e6bbc9f
Manifestf91260ac9e807a17fd868b60f050537f78c5076ba4eaa3806a28e33fb0218d7e

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
SignatureTGLceMpptRSCQDDJlJKIriOptTYzWc66tBgeQE34dCLMCD/akeyUuHiaW6IjlipA7E3CTJAkbpxDRG6DoJy3Bw==
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

2026-09-17T10:19:59.217895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073849
observed ccaa78d9254d5caa612640804c94de5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.197135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073849/manifest.json
observed f91260ac9e807a17fd868b60f050537f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.178193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073849/publication.md
observed 489803196ddc0ebe1501627b1c4b78f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.159439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073849/publication.txt
observed 1a4741717fe00eab0adb41d18b59fa0c...
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.