OpenTechnical

OT-2026-000032506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000032506) never changes.

Identity and time

Publication numberOT-2026-000032506 · never reused
Internal UUID01a0ae75-106f-7da6-8472-99208442d900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032506
StatusPUBLIC

Content hashes

Canonical texta1c5ed314725ecb08b6a9f842c6980ae6bfba1995934946326e7856955a833ec
Markdown764759dc23b0cdb40e1dfc39592c64e6d96cfd3a7dbc9ebe9e97c042e9397369
PDF
Publication pagefc759afcc0abf94942321bdb71782e963ed1927607544d53c268cfcfc6942a34
Manifest4a91e6b6fa768006ba974052821c50af99e9e01f49b7b0e43cce292be05059ce

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
SignaturekKIbKvt6h3HicG+FbSfpiseAxgGrCz8rQ2K4RtpzXwmVKBPIaTGTB7ao/S+i+x2WAXo7jtTA9MS3YJ50h4DuBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:33:56.873821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032506
observed fc759afcc0abf94942321bdb71782e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.859019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032506/manifest.json
observed 4a91e6b6fa768006ba974052821c50af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.843101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032506/publication.md
observed 764759dc23b0cdb40e1dfc39592c64e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.827819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032506/publication.txt
observed a1c5ed314725ecb08b6a9f842c6980ae...
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.