OpenTechnical

OT-2026-000053179

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000053179) never changes.

Identity and time

Publication numberOT-2026-000053179 · never reused
Internal UUID01a0ae84-a432-7410-85ef-de76e0885556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053179
StatusPUBLIC

Content hashes

Canonical textd614c4ad95b3294db18224d72165108d51150fa187d62be164ae4bd41d2145b1
Markdownebe614e1bfe5bd8840be219be08a786cd7ad9841554126ae57928267779fa280
PDF
Publication page9fbc70b114f0fd8a2b637406e30ede176871767c1743a2f25e7c3a50e3f9eb84
Manifestfa461774aab3b46caa27c8a3256137ee1a67d166c517919d1e3ab2662bac7dff

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
SignatureWbT/iUL1ofXSCPBRTP3F9Bv4SgLgLuHnZIXdMyFQ2pKrU2oI40oxNeoQTc8QwDYGCRf4d1rvdQOiqPWVqxOvBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:00.247396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053179
observed 9fbc70b114f0fd8a2b637406e30ede17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.230000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053179/manifest.json
observed fa461774aab3b46caa27c8a3256137ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.210621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053179/publication.md
observed ebe614e1bfe5bd8840be219be08a786c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.192539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053179/publication.txt
observed d614c4ad95b3294db18224d72165108d...
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.