OpenTechnical

OT-2026-000078191

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000078191) never changes.

Identity and time

Publication numberOT-2026-000078191 · never reused
Internal UUID01a0ae95-7c26-7963-a423-d6ebf67680f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078191
StatusPUBLIC

Content hashes

Canonical textcd1cf0b2f53ea19b5d420e1744200d4ac54e85cad08ee78af3bf2852eef9b16d
Markdownec94b9313efbecfb810404f4e3cfa46c2045f7aaa6714c09c47c59ae5f5a934a
PDF
Publication pagecc86a69f79510e55220cd4d0ea909582a0c6a87104810f83654798abbbcaf56c
Manifestabb4fea43149936bba84052727d949bf04a426b3c36f875bc395d2c243497fff

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
SignatureqNLXB8WtMxRpSdPhziop3BfGld6w+f1sMT2JWntFX64bGhbfEePpchqxwxv+EiBN5W0QdYLqoMhMwSL4gLAxDg==
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

2026-09-17T10:06:08.184908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078191
observed cc86a69f79510e55220cd4d0ea909582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.166911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078191/manifest.json
observed abb4fea43149936bba84052727d949bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.149679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078191/publication.md
observed ec94b9313efbecfb810404f4e3cfa46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.132396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078191/publication.txt
observed cd1cf0b2f53ea19b5d420e1744200d4a...
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.