OpenTechnical

OT-2026-000046636

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046636) never changes.

Identity and time

Publication numberOT-2026-000046636 · never reused
Internal UUID01a0ae7e-57de-7bec-9822-7a5790d94b24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046636
StatusPUBLIC

Content hashes

Canonical text276ef4495c098a28640ed803a9d32dcd2914bbb2a2719a32d0ae9df71a18b254
Markdown298989ebb66f5db0618cc8ef3e188520500532127d9b854ed163ccac456b3a36
PDF
Publication page008d19e1603bd17b8687327db27c84b7fe7ac982765d65bf8a6e99866cf462ac
Manifest10b58d77668e273e87e366d909dc6943dc25438a077900135dcba6ff765183e0

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
Signaturehk/NrCNSMPWx5seozoALzdaVMhAK8JwQSu/lXqIhqFimvtczAeGcHZBiJNjo2gFDur1gfs1nlh3+YT7ftwgzAA==
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

2026-09-17T11:08:43.438429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046636
observed 008d19e1603bd17b8687327db27c84b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.419308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046636/manifest.json
observed 10b58d77668e273e87e366d909dc6943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.400264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046636/publication.md
observed 298989ebb66f5db0618cc8ef3e188520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.380700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046636/publication.txt
observed 276ef4495c098a28640ed803a9d32dcd...
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.