OpenTechnical

OT-2026-000088980

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088980) never changes.

Identity and time

Publication numberOT-2026-000088980 · never reused
Internal UUID01a0ae9b-8f11-7ce7-8d41-410b4d36b04f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088980
StatusPUBLIC

Content hashes

Canonical text0bccd8960681e7b67118f83239f9cee7420f7d854bf54138e2a88e5e7e69d9b7
Markdown1f8c808b61b3f41ae5525479fef4479cf3ebc3042d9bb573fe3d5225dc2f8382
PDF
Publication page58a0f473dec2ad2dc3059cd1424ecf66dda089f0b1c7d61f0e8422be27cecbe3
Manifest9beb4ac37e384419c806a82a99d99cf4058c0d55f14cc6eacd63fdf2fe08cab4

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
Signature0Xr6PVebP29kLQOVrvCAhZtnhdzV2Kc5MN7FhZftksWgE99WK91+Wn1LLVX0T1tjoa41tgv66Rf58bxUsvCWAw==
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

2026-09-17T09:48:28.640429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088980
observed 58a0f473dec2ad2dc3059cd1424ecf66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.622381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088980/manifest.json
observed 9beb4ac37e384419c806a82a99d99cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.603092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088980/publication.md
observed 1f8c808b61b3f41ae5525479fef4479c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.582467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088980/publication.txt
observed 0bccd8960681e7b67118f83239f9cee7...
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.