OpenTechnical

OT-2026-000087007

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, sustained 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-2026-000087007) never changes.

Identity and time

Publication numberOT-2026-000087007 · never reused
Internal UUID01a0ae9a-9f2d-7332-8bfa-3a9bbd7825d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087007
StatusPUBLIC

Content hashes

Canonical textd43020b9adbbed641ffaa2abfeb9f94bd2a3df95920970fe8e7a4cc03e964f84
Markdown1421efe8013d411a7fa9a822f81249f6c0b259a1689087b01ae822fee586f684
PDF
Publication page87d34824cf2877bb32919592bb1609fdc8166748a1ac37a832cb5524ebb33466
Manifestc1d890a916b27244400fb71d9cbf050d67f44966e97d2007cdc4f5d3fb01680d

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
Signature0nLjJCqeI1jshSSI1AMkqtq3w+OM8vk6sUODqdcf5um5sWG2X8oPetBEE1Cp6VjH2ayZrYr+QxEyw+0me7nxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:13.607123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087007
observed 87d34824cf2877bb32919592bb1609fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.590445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087007/manifest.json
observed c1d890a916b27244400fb71d9cbf050d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.574440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087007/publication.md
observed 1421efe8013d411a7fa9a822f81249f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.557972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087007/publication.txt
observed d43020b9adbbed641ffaa2abfeb9f94b...
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.