OpenTechnical

OT-2026-000052617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000052617) never changes.

Identity and time

Publication numberOT-2026-000052617 · never reused
Internal UUID01a0ae84-573b-76c8-9212-2f736dbccf01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052617
StatusPUBLIC

Content hashes

Canonical textd68e532b44958001f0cf319389e42f015fca1e0f6073d805d07a2e2f41a00367
Markdownf754e2ba11ebff650e09dbbb0e3e256afd827809bac7a80a8197e5b8ccae43a7
PDF
Publication page2af28a45900460693e37b34c22bbcee8b0783611f84877d371242c7a69ab73cf
Manifest96f3f070d5653ab88ff7a21dd27e7968776346b8cd68c8bcc777d3956ebed3c4

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
SignatureoDM6xpzOunmX6ozq3dBJ8OA1AiKm/ShCW20GTKQoRqudXCurdxiAjJcFDhacs2kDDrXSSM72znZMHIgkD61tCw==
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

2026-09-17T10:57:17.344034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052617
observed 2af28a45900460693e37b34c22bbcee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.329227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052617/manifest.json
observed 96f3f070d5653ab88ff7a21dd27e7968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.312524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052617/publication.md
observed f754e2ba11ebff650e09dbbb0e3e256a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.294466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052617/publication.txt
observed d68e532b44958001f0cf319389e42f01...
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.