OpenTechnical

OT-2026-000088557

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000088557) never changes.

Identity and time

Publication numberOT-2026-000088557 · never reused
Internal UUID01a0ae9b-8f0e-7ddf-9905-4867f9c6b23b · 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-2026-000088557
StatusPUBLIC

Content hashes

Canonical textbed0a6c3391bbef8b4c25b508265bf1c212be6f8b131789d9c80a85310efe0c1
Markdown069b91e41eff1187ecc43b5e515c8a645add95a23a88b26d0ba070a4ed991bcf
PDF
Publication page981d008eed165cfa2c488b655a80d9a448b2cf062aa8d5df5f957b6ba9f2bdec
Manifest42cfa445305febdacfbc4716e242b5da03a4a38127a40149906be1b891f95383

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
SignaturegiuLY6wqqG48C6ej/J7jzd5j2/VBnFnlbM8Hhbq5N8g+vamNbzhEoT5oA+G7LU1p2XiAGJMf9KCj2u54ATA5Bg==
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

2026-09-17T09:47:43.900619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088557
observed 981d008eed165cfa2c488b655a80d9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.881737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088557/manifest.json
observed 42cfa445305febdacfbc4716e242b5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.861564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088557/publication.md
observed 069b91e41eff1187ecc43b5e515c8a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.842552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088557/publication.txt
observed bed0a6c3391bbef8b4c25b508265bf1c...
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.