OpenTechnical

OT-2026-000077095

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000077095) never changes.

Identity and time

Publication numberOT-2026-000077095 · never reused
Internal UUID01a0ae94-f507-7974-a753-f65b1f4350cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077095
StatusPUBLIC

Content hashes

Canonical text0088538406e9eb30ee450c7d5ec1b3d8cc58b901cda3888549c69c6a87fd7b48
Markdown0f0d25eb3b0b445b1fe1c661c4bc9cbbc64dc50462ef0cc8e283d095b97f695c
PDF
Publication page3b5d4bca4650f96a32d87b20bd51ea9cfe24e083964bdd9fcf58e30965d679f0
Manifest99c13b222914b0a40140a3b2b1302fc4d9c85765ad8e30f91c973198f0a81e7a

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
SignaturevYkWvSdc/aWxCJ7g5Q2r4PoTaKZ+q9fta7/vvTq1t0quYEfVJTKbu1sUGZv9SJzVbFVccmMC3E0InC/QGIzbCQ==
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

2026-09-17T10:11:31.256452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095
observed 3b5d4bca4650f96a32d87b20bd51ea9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.239671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095/manifest.json
observed 99c13b222914b0a40140a3b2b1302fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.221781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095/publication.md
observed 0f0d25eb3b0b445b1fe1c661c4bc9cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.203557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095/publication.txt
observed 0088538406e9eb30ee450c7d5ec1b3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.361816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095
observed 3b5d4bca4650f96a32d87b20bd51ea9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.341650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095/manifest.json
observed 99c13b222914b0a40140a3b2b1302fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.323469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095/publication.md
observed 0f0d25eb3b0b445b1fe1c661c4bc9cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.304053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077095/publication.txt
observed 0088538406e9eb30ee450c7d5ec1b3d8...
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.