OpenTechnical

OT-2026-000005081

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified, contact triggered on the face

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-2026-000005081) never changes.

Identity and time

Publication numberOT-2026-000005081 · never reused
Internal UUID01a0a92d-4244-793e-b03e-0625eac5991d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:10.727154Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005081
StatusPUBLIC

Content hashes

Canonical textfb857c6bd1c47ca16f14dfb277aba39614f53e1dc3dfb9d75d95c23bb59abaa0
Markdown97961f72517fe14bd5e194d6bd8ef6a1f0d740353aa5a08cd01c4c2bb55d71b7
PDF
Publication pageb5f96505f2e533e01f6e0df852348b2c1e46b0eee748e40f3a2ffe4b31dd05c2
Manifestecc3104b86475994bcd28cae3ec5192b47a865ee3725bf01d14b50717005d2d0

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
SignatureSUNbOWdEAV2Z0E9IdV2BxMIN3AEvlmjYmePgbSxO7UYwHcZaR0IDgm4F5D6yng/93/2C+ja9I6xI8PdtzsG7Ag==
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

2026-09-16T07:50:17.620720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005081
observed b5f96505f2e533e01f6e0df852348b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.486531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005081/manifest.json
observed ecc3104b86475994bcd28cae3ec5192b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.474012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005081/publication.md
observed 97961f72517fe14bd5e194d6bd8ef6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.457546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005081/publication.txt
observed fb857c6bd1c47ca16f14dfb277aba396...
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.