OpenTechnical

OT-2026-000101498

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000101498) never changes.

Identity and time

Publication numberOT-2026-000101498 · never reused
Internal UUID01a0aea4-0e14-758b-916f-cb3c09d0a641 · 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-2026-000101498
StatusPUBLIC

Content hashes

Canonical textf9be13bd1bbad300ec5733cdf0ecdd8aac9623b91bc21ed96876ca2299e892a1
Markdown53a4b970bc93ea56cf078466d67d23267a0b1f527a7e7baa6cc6ab6ca8c95319
PDF
Publication page39d11bd75f073c52563981591c10262210e6103ea5972ba47111f40071df0cf5
Manifest585303e7508743be272fa2adc36845a22489830f420d79a4c50526126a50ebf2

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
SignatureLv0LjUKBqK1i0C51qICqSssCyE5IR1tbVl4mDd/Ul8+8fXI4m9mMTxchbUVySU0Eo/zprCPy/gX9GPSLNB4+Bg==
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

2026-09-17T09:26:05.505372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101498
observed 39d11bd75f073c52563981591c102622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.483605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101498/manifest.json
observed 585303e7508743be272fa2adc36845a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.465132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101498/publication.md
observed 53a4b970bc93ea56cf078466d67d2326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.446828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101498/publication.txt
observed f9be13bd1bbad300ec5733cdf0ecdd8a...
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.