OpenTechnical

OT-2026-000057707

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000057707) never changes.

Identity and time

Publication numberOT-2026-000057707 · never reused
Internal UUID01a0ae88-2695-74c8-911c-38e622ccaa32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057707
StatusPUBLIC

Content hashes

Canonical textd6d4238706853aa0b245e39dd3fc246062ddbe725b1c2b78719e49364d13a203
Markdown1cf804e4f02627f428653073ccd76899b7f463962311e62ab45dbdecf6b9b8ea
PDF
Publication pageed9ae7b5c17817db5fb32d73f7161299e1e2dff63a99d2ce41c7dad7888343e5
Manifestfccf77110592a9d9acf715854b45a0d95e371b8f830957c5859a5ce84ac83389

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
SignatureT749FUWJwR2RLeOa6qddg3QVasggUwMTrf1/XIv0l4MMw4PzIJ6yi4SE+CFT/9Ue6ce2MQfsMUqkYx6+CchFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:22.457502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057707
observed ed9ae7b5c17817db5fb32d73f7161299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.436537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057707/manifest.json
observed fccf77110592a9d9acf715854b45a0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.416799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057707/publication.md
observed 1cf804e4f02627f428653073ccd76899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.398182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057707/publication.txt
observed d6d4238706853aa0b245e39dd3fc2460...
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.