OpenTechnical

OT-2026-000010508

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained 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-2026-000010508) never changes.

Identity and time

Publication numberOT-2026-000010508 · never reused
Internal UUID01a0ae6c-0ee7-7bf2-8f2a-b96266ad216d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010508
StatusPUBLIC

Content hashes

Canonical text332c4521453cff8facd5be89ee9e69de5408c8dfd73f73ab0b409cfd146140a1
Markdown708a558b152ad09b554491dbe7d547dde3657a9ba74b4c9deb3014039ab96d91
PDF
Publication page487673727fb174f78c179c6bd2ba0f18c04533db4970726b598187f3fde55740
Manifestdda3c44d6ef02dab0c5f0e366bdce6f8e3f18eac4886fae7f2151e5f4e1d90dd

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
SignatureYRiWbeqwiIjU0OZcODQ7LYmDpaJ+xdnyBs4XjXcBy304eAHPvQljO0z6MTb+2Bvzv3nA8ms6RjS28Dm2uB74Cg==
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

2026-09-17T12:14:39.834610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010508
observed 487673727fb174f78c179c6bd2ba0f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.816417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010508/manifest.json
observed dda3c44d6ef02dab0c5f0e366bdce6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.797911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010508/publication.md
observed 708a558b152ad09b554491dbe7d547dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:39.780502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010508/publication.txt
observed 332c4521453cff8facd5be89ee9e69de...
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.