OpenTechnical

OT-2026-000005119

Publication integrity record

Porous face vacuum gripper, three zone face, common isolation valve, pump fed, contact triggered

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-2026-000005119) never changes.

Identity and time

Publication numberOT-2026-000005119 · never reused
Internal UUID01a0a92e-7585-752a-88b4-220fa7aa86b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:29.384101Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005119
StatusPUBLIC

Content hashes

Canonical textbc76470a4d865643cea92166f078a5c17e4421d6e8a5d5438d535149f73c0b02
Markdown9c5801cdd35bfe3c6acc35292398f18541ab4d933b4f152988a25a9269ffbde0
PDF
Publication page957348b4c739d6c196ebffacb12c21314da95051727e3f0313571cf05c52bf29
Manifestde5db9bf2235a5fef121ba5b91612dc12a317084bc756e354def23a8207d4ec4

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
SignatureZmCCuJaeW7Qa8Wn1IsAbmEWtXPxD3jKQIm4jM1Wm5WKzxEvqM6hRqLFP69cW4RkVWIwllGBQx4B2odAv/8XYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:13.440687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005119
observed 957348b4c739d6c196ebffacb12c2131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.427473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005119/manifest.json
observed de5db9bf2235a5fef121ba5b91612dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.414997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005119/publication.md
observed 9c5801cdd35bfe3c6acc35292398f185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.402605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005119/publication.txt
observed bc76470a4d865643cea92166f078a5c1...
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.