OpenTechnical

OT-2026-000061009

Publication integrity record

Three cup vacuum gripper, three 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-2026-000061009) never changes.

Identity and time

Publication numberOT-2026-000061009 · never reused
Internal UUID01a0ae8b-12f3-7a9c-a072-3a247e2fb458 · 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-2026-000061009
StatusPUBLIC

Content hashes

Canonical text923164aec1df689b5450e29023d92065b7a6b8ba5ce8a2ca6a90846874b12b01
Markdowne4faa0db10fba738b4695d4652df26973e0da569d7790f02c30d8fa741c03a70
PDF
Publication page733d8088e039cf86301aff0073fb09c444595d42eb57b7d57f2e76219c4aead5
Manifest71edf4f45ca014546f7dbe7a9be73601b52f6ef65f97fa2e4918e883ae2787a1

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
SignatureWGCk++/Ee0AmOpUcKrQKoe/VRU8tj0I2sqKXOiMD8Pm5YuAejxvpuKB6plt2j/w0+TPK/ztEZFMmtR84bwTbCA==
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

2026-09-17T10:42:18.066618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061009
observed 733d8088e039cf86301aff0073fb09c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.049302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061009/manifest.json
observed 71edf4f45ca014546f7dbe7a9be73601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.031156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061009/publication.md
observed e4faa0db10fba738b4695d4652df2697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.013199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061009/publication.txt
observed 923164aec1df689b5450e29023d92065...
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.