OpenTechnical

OT-2026-000055174

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000055174) never changes.

Identity and time

Publication numberOT-2026-000055174 · never reused
Internal UUID01a0ae86-5e82-79e0-9f57-353e29297b49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055174
StatusPUBLIC

Content hashes

Canonical text72988089a45bd676fc3d4572763fe4d3e5450f6cd596e6cb0ae332abdec3573c
Markdown2b385c39d0d449154c5df2591caf3b6c97f3802e2102545c744125d90ca9aac0
PDF
Publication pagedbc151b22ad70724ccf0faaf4c6164663ef8cec162cabbce803e4ab7c19e2d64
Manifest1e82d9a3ba79ca2e27672f0f2c7d8d5d9e5e50e8261c4ee1f20df1187bd9f14d

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
Signature5qJoYcoC3F3qeW5weUsOpY5kIuiMIpxTMOJ5lftygYnWtfYBEVkA//4g5LJEtJyFbtztzKFk/s7/z0FCUBnKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:18.167493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055174
observed dbc151b22ad70724ccf0faaf4c616466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.148235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055174/manifest.json
observed 1e82d9a3ba79ca2e27672f0f2c7d8d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.129808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055174/publication.md
observed 2b385c39d0d449154c5df2591caf3b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.103592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055174/publication.txt
observed 72988089a45bd676fc3d4572763fe4d3...
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.