OpenTechnical

OT-2026-000069706

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000069706) never changes.

Identity and time

Publication numberOT-2026-000069706 · never reused
Internal UUID01a0ae90-b52c-7045-a281-da6aab9e287a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069706
StatusPUBLIC

Content hashes

Canonical text8bcb02e93e983921481eca9f9a0a5aab938d84d3b2ccfe48b88ea0e02e2be975
Markdownb327e4e21d70005a95bc155fd8d7d373374274e4c799f5aea29733cdc76bc26c
PDF
Publication pagebd0956ea94efc201e63a581bfad6274fc03639d431292e12016395dff4c25134
Manifestd1f6171747fd2f622bf8a6f70ef0612d443dbe5f4a84617cd813a34f445d0143

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
SignatureZyLvq9eNbcqJcULfbsZ4BO+IWKM70dsuBcwFqfWs8ezaRIgbcUOUbETm5hwHXqqsZ7Ik3b7omPvJRJ/zH4AIBg==
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

2026-09-17T10:27:16.877567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069706
observed bd0956ea94efc201e63a581bfad6274f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.860503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069706/manifest.json
observed d1f6171747fd2f622bf8a6f70ef0612d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.844578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069706/publication.md
observed b327e4e21d70005a95bc155fd8d7d373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.826779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069706/publication.txt
observed 8bcb02e93e983921481eca9f9a0a5aab...
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.