OpenTechnical

OT-2026-000034784

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000034784) never changes.

Identity and time

Publication numberOT-2026-000034784 · never reused
Internal UUID01a0ae76-1ed2-75eb-8e32-18100cdc3d6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034784
StatusPUBLIC

Content hashes

Canonical texte73d9c56b8674bfd8ee7170f970a617e07d4bc739a56843569b96b35f75183cf
Markdownd225fa7a50b39a29eea631c6d2c471392b8fa88bc18cdf978d23dfa3eb638726
PDF
Publication pagee93687e61e6ca67d39059045030fa7eae0997fd05e33e084004e7d1e8c27120a
Manifestb37b0d3793a951511be9e2a5e85b6e9c4b08e679bdc393dd6d18ef7579b36024

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
Signature05Hd570NEZD+cPX4fANq9YvDIhkVkpT6zZUNcmeC86x9AxGeBUmrgiSHIyAEx8acdM63eWFbNxyMyfwB0YTtDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:30:17.068591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784
observed e93687e61e6ca67d39059045030fa7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.050360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784/manifest.json
observed b37b0d3793a951511be9e2a5e85b6e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.030643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784/publication.md
observed d225fa7a50b39a29eea631c6d2c47139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.010177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784/publication.txt
observed e73d9c56b8674bfd8ee7170f970a617e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.544614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784
observed e93687e61e6ca67d39059045030fa7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.520535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784/manifest.json
observed b37b0d3793a951511be9e2a5e85b6e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.502262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784/publication.md
observed d225fa7a50b39a29eea631c6d2c47139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:45.479460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034784/publication.txt
observed e73d9c56b8674bfd8ee7170f970a617e...
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.