OpenTechnical

OT-2026-000086384

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained 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-2026-000086384) never changes.

Identity and time

Publication numberOT-2026-000086384 · never reused
Internal UUID01a0ae9a-2c96-7926-8492-dd47b67ed4e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086384
StatusPUBLIC

Content hashes

Canonical text89c1519257a4dc5fdb4ac7fa349167c23a67b6e5ee1771fca4b12b2f9171bd5a
Markdown857637078a565c569c0bcbe7ea240caa3781f13c2d4878803625a4b31597b29d
PDF
Publication page344dcd90e79333ce9c7fea412e6dbde587a5f33631f07eaeadd1e48bcc5adc74
Manifest94918a032c848697171b4b45ed732f6d491dac482d6808cb6cc1318724f8da20

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
SignatureqPN7K7sTugS94iIsiTDh6EQlzYx9Mnb8KeWP83O83I4xYuNWW9yoqpmydiu5d+EeBoGUKv4lHm/VUXbtC9RDCA==
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

2026-09-17T09:52:04.744308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086384
observed 344dcd90e79333ce9c7fea412e6dbde5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.727799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086384/manifest.json
observed 94918a032c848697171b4b45ed732f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.711065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086384/publication.md
observed 857637078a565c569c0bcbe7ea240caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.694641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086384/publication.txt
observed 89c1519257a4dc5fdb4ac7fa349167c2...
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.