OpenTechnical

OT-2026-000005260

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, pressure verified, silicone cups, oval form

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-2026-000005260) never changes.

Identity and time

Publication numberOT-2026-000005260 · never reused
Internal UUID01a0a933-1a45-709a-af6d-403c642279c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:33.703896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005260
StatusPUBLIC

Content hashes

Canonical text57217140e9e9587d3db85d07ce22f2f58171996f2f4dbe8c25664c56d5b5c543
Markdown2c27ccd764ca34a0b086eb8e79fee4f5451108957156e2fa1764ab8d244ae426
PDF
Publication pagefad48ca92e56d1f0ccd40a7b2f43696a8a83edde93cd017f15982f150e93862e
Manifestcc8a1e5ffeada101f7afdceb2943b9865682ac38d7593d93ed0cb2e095c3d06c

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
Signature2w8qlmMv4pNcz8blInipjkvB4e9YSRrEnlnVnLyvErpkmlNcmUo7nfnMnH5c9qGePYEnSXtJf9iKXJljaJfUCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:29.629295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005260
observed fad48ca92e56d1f0ccd40a7b2f43696a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.492173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005260/manifest.json
observed cc8a1e5ffeada101f7afdceb2943b986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.478564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005260/publication.md
observed 2c27ccd764ca34a0b086eb8e79fee4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:29.464685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005260/publication.txt
observed 57217140e9e9587d3db85d07ce22f2f5...
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.