OpenTechnical

OT-2026-000073324

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073324) never changes.

Identity and time

Publication numberOT-2026-000073324 · never reused
Internal UUID01a0ae92-efb7-78ec-955e-56cb8c9303f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073324
StatusPUBLIC

Content hashes

Canonical textb35c84184ad81bd1d394629e15bfcaf0d01f2c22019db2dba0767bfa94e02f76
Markdownd4b8acc58e6805cf3879c827514d9eb05ba9cbbf8ee6ed373738226a1a466fb8
PDF
Publication page693862113708514644f3a96209023f3cc9e399e06e24010ee9ea3d4ef1e1cea0
Manifest8b1a5c1cb4bf836a74f140084edaf4ecf456d9ce5cc9bd63cfaf12bf7913c2da

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
Signature4Yy3+8WYvypRRjk9u0v2Z5MZ+SMN5YmX3PIhbSRMG1Jl3LE5OaJvSBB5b2fESRvu0U9dcid97xYfRaDC4ym0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:20.449297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073324
observed 693862113708514644f3a96209023f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.430765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073324/manifest.json
observed 8b1a5c1cb4bf836a74f140084edaf4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.413571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073324/publication.md
observed d4b8acc58e6805cf3879c827514d9eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.396121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073324/publication.txt
observed b35c84184ad81bd1d394629e15bfcaf0...
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.