OpenTechnical

OT-2026-000101079

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101079) never changes.

Identity and time

Publication numberOT-2026-000101079 · never reused
Internal UUID01a0aea3-c377-75b9-a266-ac7d18fcf571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101079
StatusPUBLIC

Content hashes

Canonical texteea13e8e0266a4b7711401c5698b3c3317c0d18fd799c403310557f6517d082d
Markdown1a092b64bde73b83911fbd9c4bd10a0932d39f08c91138a0f2e411e756931d85
PDF
Publication page1771c403724444d51078d0da123c9f7ad1a7dabaecbd7f931cbb7d70b05776be
Manifest27879b2bf68e23abc2616a4b9cfad53befba7e330310a0f15f60741f00dbb598

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
SignatureEfx97Ck+GON1c7qXYPpqcOD5cy7EccAmj+iRSmUsMWBFTjt2GivryhykNpFme8Ncav85SwT6gDqCvUYEISyFAw==
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

2026-09-17T09:26:41.914385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101079
observed 1771c403724444d51078d0da123c9f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.895972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101079/manifest.json
observed 27879b2bf68e23abc2616a4b9cfad53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.877022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101079/publication.md
observed 1a092b64bde73b83911fbd9c4bd10a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.859061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101079/publication.txt
observed eea13e8e0266a4b7711401c5698b3c33...
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.