OpenTechnical

OT-2026-000071901

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000071901) never changes.

Identity and time

Publication numberOT-2026-000071901 · never reused
Internal UUID01a0ae92-47c0-757a-9331-bfc2e78b630c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071901
StatusPUBLIC

Content hashes

Canonical text49188d8d10596c625e677ff7389db0e4800e26f274534d668f59d0e14b2834d4
Markdown573f3e3864da1cc55e11c3763f081c770c5d7d991d12a8fca3bf6f90ecc60e35
PDF
Publication page79701a72094762799e71fd2238e4bb2d64594afcb528cb1d3f4443019ac98101
Manifestb1cb1f129bf1dcfe08ee0309e0c7900261e2509bc6d9e6f5a21bca35bbcbb6ed

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
Signature2x5g+EerslFZf24ign+XvMd0uOE9K646HiA1rdjkl1B2oevjZdy1CCfU7GS9QnhYLAkR+irB5tuWKgz5y+JdCQ==
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

2026-09-17T10:22:55.478501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071901
observed 79701a72094762799e71fd2238e4bb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.460063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071901/manifest.json
observed b1cb1f129bf1dcfe08ee0309e0c79002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.442113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071901/publication.md
observed 573f3e3864da1cc55e11c3763f081c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.423211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071901/publication.txt
observed 49188d8d10596c625e677ff7389db0e4...
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.