OpenTechnical

OT-2026-000016848

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000016848) never changes.

Identity and time

Publication numberOT-2026-000016848 · never reused
Internal UUID01a0ae6e-5919-7746-8204-8401ef8eeeb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016848
StatusPUBLIC

Content hashes

Canonical text74c72bd5f10ac6492f09b52f246ca50985e6ffc447862716df43031bf2df6f34
Markdown74c2e42f42a3deeb369135072903b3edacc0561e8a3b8751ac0cb2a1f3b3b60c
PDF
Publication page4d798772e7e1d113947eb8d33a9ba333839d0913da877b2b6e56f4b544b3d78f
Manifestb98c03ebf9d5e6a0aa736f5016499fa4c826ed010a5ac9afcb1442709d77bce6

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
SignatureJvnrJZEA6GKvuHmx85vOF1tpd8APrVBNUqqWVtiZ9AU25EPcVxp4q5YDqzOlZtMpL5uQAhiDp67B761fkosPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:06.683189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016848
observed 4d798772e7e1d113947eb8d33a9ba333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.664778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016848/manifest.json
observed b98c03ebf9d5e6a0aa736f5016499fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.647354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016848/publication.md
observed 74c2e42f42a3deeb369135072903b3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.628889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016848/publication.txt
observed 74c72bd5f10ac6492f09b52f246ca509...
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.