OpenTechnical

OT-2026-000014114

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000014114) never changes.

Identity and time

Publication numberOT-2026-000014114 · never reused
Internal UUID01a0ae6d-b278-7259-be83-782048a2bdf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014114
StatusPUBLIC

Content hashes

Canonical text1998479fbd99e4a76f5db34b4c55b2e7d8f8e97eb5b8969ba4b38171218bcc6d
Markdowncf24eba688779c5db6a20782cff75c316cdbf46d832a2c76933078a7dcf55b3e
PDF
Publication pagedcd3224ef6ffbf62a9e993bd6ba4e4b86c48feb3f13a4f7cb19d69249754ae65
Manifestbfefcf17f4038b08197f20cbc177a0251fc183d99e9ebb822c1b5b4355f7c07c

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
SignaturejsC4s0ofKfgzeYSE1CM0lyp11YGw0+q+dA2xBgT9mkKsEtJ3AWh+DFhdKzgrY21j/gycgiNqlV3sgTGfbbDiBw==
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

2026-09-17T12:07:10.878920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014114
observed dcd3224ef6ffbf62a9e993bd6ba4e4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.861365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014114/manifest.json
observed bfefcf17f4038b08197f20cbc177a025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.843005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014114/publication.md
observed cf24eba688779c5db6a20782cff75c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.822421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014114/publication.txt
observed 1998479fbd99e4a76f5db34b4c55b2e7...
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.