OpenTechnical

OT-2026-000060901

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000060901) never changes.

Identity and time

Publication numberOT-2026-000060901 · never reused
Internal UUID01a0ae8b-12f1-73a6-b352-5e026d5aeed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060901
StatusPUBLIC

Content hashes

Canonical textbc395f7359e5af78a317f1367f945272f9b2a58830bbda3b735c8dfbc0767f9b
Markdown1003efd004b5cfd392fef3736d026d8bb5eff2d34fb8054797d7280c32f1a746
PDF
Publication page0aaab0ba079225f7cadd0a70e1eed862a44fed512239da7bf2e43131e38c9e99
Manifestd8f2218116e99895bf85d6194326bd80b16df3e4ce35c02a017009b557114182

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
Signaturex+zX7aPH8R4li3HppRNpGartSQVkk1shyRAMrqzq/E8eD6G0OBX43g67LDsHJzJV3lg4A79Pa7SSysUCpz/xBQ==
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

2026-09-17T10:42:09.835510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060901
observed 0aaab0ba079225f7cadd0a70e1eed862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.814651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060901/manifest.json
observed d8f2218116e99895bf85d6194326bd80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.769978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060901/publication.md
observed 1003efd004b5cfd392fef3736d026d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.713354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060901/publication.txt
observed bc395f7359e5af78a317f1367f945272...
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.