OpenTechnical

OT-2026-000007656

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000007656) never changes.

Identity and time

Publication numberOT-2026-000007656 · never reused
Internal UUID01a0ae62-76bd-7132-b701-fc72c4e69bb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007656
StatusPUBLIC

Content hashes

Canonical text3558407e2292f3eab1c72a7c250e4144dd4de98fcaee2de47507888b001f6b73
Markdownc9a1da2bb7589250e77dc43c7b925d180fda0a265ac8490227ccba7aa7d2329b
PDF
Publication page3f5fb05c579d0251eeab15a95fe908330030b614c845fbda453b737b41ccfacd
Manifest000a0835cc285fe689c68f6eb301d56b02be1796ceafd65cb7e6dba3563f3e1d

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
SignatureZtU2oGGuJpq4m1reL+GyKM4Tb0zxc0RgJc1o2aoefD7G5pfyuPtHrlg1wTNaV/6jNJMKYXRHsilVeaBNgRuIBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.642933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007656
observed 3f5fb05c579d0251eeab15a95fe90833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.625387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007656/manifest.json
observed 000a0835cc285fe689c68f6eb301d56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.608009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007656/publication.md
observed c9a1da2bb7589250e77dc43c7b925d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.591633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007656/publication.txt
observed 3558407e2292f3eab1c72a7c250e4144...
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.