OpenTechnical

OT-2026-000069179

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000069179) never changes.

Identity and time

Publication numberOT-2026-000069179 · never reused
Internal UUID01a0ae90-6dcf-7689-9c7f-ce1288591889 · 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-2026-000069179
StatusPUBLIC

Content hashes

Canonical text62615e6c52daa45ec6b66978cae2ef6abafa4d9f4e3510e142f963cc229621c8
Markdown1dc46c9e1934fc6637bcc75d8bf4939ed2910a088d83fd4fbdf5dbd0c79eb653
PDF
Publication page31c6ec6a3fea2bbdf19dd741a5f203c13d44114e2a9a6ce8a4945bced0effc9c
Manifestdcebaffef2959cae2cd51b7fe8079e0c4813ef00c89874bc5babf14be6bdda5c

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
Signaturee0IJ4myvA1w5vYjo6cQsfHBzDQCEwSQ/1jT+e8qyGRDXuCHV4R8cSp4ZBvtvrXZOZgNfeQpGpJmF6CPhKVd0DA==
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

2026-09-17T10:29:04.394097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069179
observed 31c6ec6a3fea2bbdf19dd741a5f203c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.375527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069179/manifest.json
observed dcebaffef2959cae2cd51b7fe8079e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.355955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069179/publication.md
observed 1dc46c9e1934fc6637bcc75d8bf4939e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.337301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069179/publication.txt
observed 62615e6c52daa45ec6b66978cae2ef6a...
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.