OpenTechnical

OT-2026-000020954

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020954) never changes.

Identity and time

Publication numberOT-2026-000020954 · never reused
Internal UUID01a0ae6f-65e4-7eb8-ac40-1f09bfe68eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020954
StatusPUBLIC

Content hashes

Canonical text0a0e88329b030f47ac73ec8564122bbea92b5159b8c9ac943b86732a2cd54cd3
Markdownc14a92dbfff24d51988df39982a5d61f3a5b469648cf608651956f26757253bb
PDF
Publication page6f2c0be4ddb7614edd2ea32efb0987767964abaa2628ca3fb31d1a7cf0e1d1ff
Manifestae0ba2a26ae44feed4f614c62615037d3be753bd7668c43cb83b3cda9bd895f2

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
SignatureRwnb/6z0BZDZBWYSO01pKqmXN9cmI/c9obKTiGvGaXgIZ6wd7PTJiZ7dqbA5PTe7dxtXKpe29h8OAGkeRuVFAw==
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

2026-09-17T11:56:05.816513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020954
observed 6f2c0be4ddb7614edd2ea32efb098776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.795725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020954/manifest.json
observed ae0ba2a26ae44feed4f614c62615037d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.777360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020954/publication.md
observed c14a92dbfff24d51988df39982a5d61f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.759560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020954/publication.txt
observed 0a0e88329b030f47ac73ec8564122bbe...
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.