OpenTechnical

OT-2026-000061226

Publication integrity record

Foam pad 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-2026-000061226) never changes.

Identity and time

Publication numberOT-2026-000061226 · never reused
Internal UUID01a0ae8b-1381-7354-8c49-4aea6acc547b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061226
StatusPUBLIC

Content hashes

Canonical text415f1034e7fdd1682829b394b334a705f86115b8d3044b379728f0ac0392fc53
Markdown84b7cdcb1da0912ba8ad0efc53bccaccb833e3b324740292d7af44a242760040
PDF
Publication page865f9e533d04de39a303ca1236175a0e4df61c62f6e8229caf5d9cceef7d2272
Manifest9168b3621a3cd40411ab9f4fd8bfa648fd6310416725b752ad391bdf68520e0a

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
SignatureHztFrzNUdOWLIAIauYr/le5UoZ+hDHBB/om++UZiRaET79u/8DUfFyazLRmjrfk2S/JJLzM5Zn1mAW2tNsF3AA==
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

2026-09-17T10:42:38.031658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061226
observed 865f9e533d04de39a303ca1236175a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.012427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061226/manifest.json
observed 9168b3621a3cd40411ab9f4fd8bfa648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.992914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061226/publication.md
observed 84b7cdcb1da0912ba8ad0efc53bccacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.971759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061226/publication.txt
observed 415f1034e7fdd1682829b394b334a705...
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.