OpenTechnical

OT-2026-000101918

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000101918) never changes.

Identity and time

Publication numberOT-2026-000101918 · never reused
Internal UUID01a0aea4-50f1-79cb-ada6-73f2cb4b8da2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101918
StatusPUBLIC

Content hashes

Canonical text427a2cbe781c32fcf2c6ce5897343c91d5d95ca4bf1f6172ec7bbc4172f5f45a
Markdownfb3752ec4e0f09326595bb2811250e16e6b993f4911b1fe2ab191efa315a5cf7
PDF
Publication pagef4c44ca74e4590e915fbe8d31baf78a9aa77145ef9c7850a3af73db97445da86
Manifestd45f4b8b07b2e7719b4aa76da2144efb193a2dba00633012526b91f76af95628

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
SignaturetqKKCgJ4M3U/gkOEet1qVUCT13yyyq6emYnTBuoAIWPob/NYhXc7NxgKKVYWLbWFwo4HpSQyl0Z0nohWIudqDA==
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

2026-09-17T09:24:32.278968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101918
observed f4c44ca74e4590e915fbe8d31baf78a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:32.260359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101918/manifest.json
observed d45f4b8b07b2e7719b4aa76da2144efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:32.237275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101918/publication.md
observed fb3752ec4e0f09326595bb2811250e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:32.207040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101918/publication.txt
observed 427a2cbe781c32fcf2c6ce5897343c91...
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.