OpenTechnical

OT-2026-000006799

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, pump fed, contact triggered, silicone cups

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-2026-000006799) never changes.

Identity and time

Publication numberOT-2026-000006799 · never reused
Internal UUID01a0a967-c97b-75a0-8212-51f6ffb09b97 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:06.430593Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006799
StatusPUBLIC

Content hashes

Canonical textbdfa39b9283ff4528fd29496a327bb99afe127a09c85a70aa8778ef20c9e4997
Markdown6561e5f08d5468747d4d25efbc3a0a05c97b35295a09c317da37a302c2256a52
PDF
Publication page5baa4bcfc4fd2fa5e42c5e9fb1e810448c2bc58fb1878b6f86080c03e281d392
Manifest2bb2010b1645069b2fff44c4e46a85c4060137c8384816e7e178eec15791e862

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
Signature0QtkXIrBP5U55qR32DYcapEFhAxycsmK/2UVe/8DHfm7YY+BYmT8LGySM3WL6JDu5hkHe8vlhxBBV2xisgVICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:05.127909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006799
observed 5baa4bcfc4fd2fa5e42c5e9fb1e81044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.990779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006799/manifest.json
observed 2bb2010b1645069b2fff44c4e46a85c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.977542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006799/publication.md
observed 6561e5f08d5468747d4d25efbc3a0a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.963902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006799/publication.txt
observed bdfa39b9283ff4528fd29496a327bb99...
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.