OpenTechnical

OT-2026-000101615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed 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-2026-000101615) never changes.

Identity and time

Publication numberOT-2026-000101615 · never reused
Internal UUID01a0aea4-0e15-70b3-a40c-c4bfa62169b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101615
StatusPUBLIC

Content hashes

Canonical text4df5dc7a87a0f50110fa1d45082bb34f1ee2b400747b4d1cf868b2eb78fdad3c
Markdown279193b788427d99e035e063d7c9be964cebfcda9270ed50bf6274adacc892e5
PDF
Publication page395b1bfd2904ebfa21ec2bdafa658669840e7acb9404b4744d8c7f9c57e24b50
Manifest2bffac14cfbcb1029f20698389b038672546447edd5cad7977e46b3416557d28

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
SignaturejKLLHqnvTgFnwg8Ph+cPn89XbmcLi27dbM8v/1/cYTI4VCazx+aCd/fbMvzpYM+zhydqCgyrB5Orqf9zggzPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:44.168950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101615
observed 395b1bfd2904ebfa21ec2bdafa658669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.150267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101615/manifest.json
observed 2bffac14cfbcb1029f20698389b03867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.130460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101615/publication.md
observed 279193b788427d99e035e063d7c9be96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.110985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101615/publication.txt
observed 4df5dc7a87a0f50110fa1d45082bb34f...
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.