OpenTechnical

OT-2026-000068756

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068756) never changes.

Identity and time

Publication numberOT-2026-000068756 · never reused
Internal UUID01a0ae90-6dcb-7a34-9c74-4cac12814c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068756
StatusPUBLIC

Content hashes

Canonical text08ef35cfc3d6d4e0c397be33cce387952a77ba7605d052cb6d9f11766a6ab6f7
Markdown1f2060a9780bdc5a5c28ceb9c136ec085a579f7cccab32e46a7b2ed67d1db237
PDF
Publication page00f222a1047a1f7d4ebeec7a16d2c542ecca6926834932a733ecfbcc1720e32d
Manifest0ec58e801c73666fc0ae3e9985e8a7569c3cbc7f48fc58839a6053dd04ae2f0b

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
SignaturekphO58r3MQ8RddmWDgify61bpTvD5M7Xr+ojl+MlTbIdiEgy1nu4NVKhjxaqwOjt0ERTGf00BsL4QE1cGnDgAg==
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

2026-09-17T10:28:32.296514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068756
observed 00f222a1047a1f7d4ebeec7a16d2c542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.281380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068756/manifest.json
observed 0ec58e801c73666fc0ae3e9985e8a756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.265875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068756/publication.md
observed 1f2060a9780bdc5a5c28ceb9c136ec08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.249662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068756/publication.txt
observed 08ef35cfc3d6d4e0c397be33cce38795...
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.