OpenTechnical

OT-2026-000023315

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000023315) never changes.

Identity and time

Publication numberOT-2026-000023315 · never reused
Internal UUID01a0ae70-7268-7e2d-b269-5f61d9a5eabc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023315
StatusPUBLIC

Content hashes

Canonical text42024b4565cc807d89eeb3bb647ff1763299acde38a79e08aa7299c8a24e6e6a
Markdown308e891a3b820b1ecd764c0cd564c75caf787e292c20fe67be0399804322e351
PDF
Publication page5edfef76cebffe944c6a904c81e6659e2aaf5bb3e6702430f8e6b43dcf06c731
Manifestbc22f02dc33a06b1b4db404167548be25209f57e1f360a91933186f11e78e3db

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
SignaturetvKX4+qOnR0TmQOWtgZcr3OgGtg0Fs7qzrjZOEfZliqe9G8d5ewzGpu0TDjTMSVf7EMOv2c0tNN5k2IC1/osCA==
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

2026-09-17T11:51:23.957848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023315
observed 5edfef76cebffe944c6a904c81e6659e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.941398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023315/manifest.json
observed bc22f02dc33a06b1b4db404167548be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.924420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023315/publication.md
observed 308e891a3b820b1ecd764c0cd564c75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.906895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023315/publication.txt
observed 42024b4565cc807d89eeb3bb647ff176...
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.