OpenTechnical

OT-2026-000100269

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100269) never changes.

Identity and time

Publication numberOT-2026-000100269 · never reused
Internal UUID01a0aea3-3053-7e03-96a2-54997b3d95b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100269
StatusPUBLIC

Content hashes

Canonical textc96eca4ecac591125c1726840819a3ad22575132e18dd4a558bb5aeb6c36f13a
Markdown7fc16eea92ad72c445434725f53eb31205e221d0fc3b05f2bb3a0921dd1e8121
PDF
Publication pageb845fa186cd9ce9cf5035554fc836a7f4461027715f6aab8efdf9538f7f2aa22
Manifest1155308960457ed3368b4b39a1ea6e274be12738db13d7d22821319c480d812e

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
SignatureIQLK1hdIIAGbH3/+Zx5mpCpqrsSlmIb2+QaEUvs1ilJkRjq34HmWTFjq4qB4ENty2Lu78eUqwJ3tEizJg9DHDQ==
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

2026-09-17T09:30:04.619144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269
observed b845fa186cd9ce9cf5035554fc836a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.598171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269/manifest.json
observed 1155308960457ed3368b4b39a1ea6e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.578905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269/publication.md
observed 7fc16eea92ad72c445434725f53eb312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.563167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269/publication.txt
observed c96eca4ecac591125c1726840819a3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.270251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269
observed b845fa186cd9ce9cf5035554fc836a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.251756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269/manifest.json
observed 1155308960457ed3368b4b39a1ea6e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.235007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269/publication.md
observed 7fc16eea92ad72c445434725f53eb312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.218152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100269/publication.txt
observed c96eca4ecac591125c1726840819a3ad...
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.