OpenTechnical

OT-2026-000061417

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented 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-2026-000061417) never changes.

Identity and time

Publication numberOT-2026-000061417 · never reused
Internal UUID01a0ae8b-7b42-7f83-923b-ae41262305e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061417
StatusPUBLIC

Content hashes

Canonical text1c0a665ed6d475b625222e21ca7c14a6d2f5109b1693a4ecd135c6ce25e68e4f
Markdown1ef87fcc6c3b7b982ae2ecda732ccc3e0ac2adcece3cfcdab0b41183ed6f956b
PDF
Publication pagef066a49e78b91e73cf3f88e586c810f4b6a28f21a397b8f2152805d806e1a399
Manifest6c16d5a8aee91fb29f1c23e3f794de317ee6550719a0e41a507a60dbd5d95aad

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
SignaturergfsIa5S+1CxryXtjas+SSduLlGD2vOzCXhYlVe7/3lLrINsWFzkw6HWZHEL/seZuU0dccrMLDPs44HypKlmAg==
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...

Independent retrieval

2026-09-17T10:41:17.327799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061417
observed f066a49e78b91e73cf3f88e586c810f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.310136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061417/manifest.json
observed 6c16d5a8aee91fb29f1c23e3f794de31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.292408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061417/publication.md
observed 1ef87fcc6c3b7b982ae2ecda732ccc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.271957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061417/publication.txt
observed 1c0a665ed6d475b625222e21ca7c14a6...
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.