OpenTechnical

OT-2026-000057490

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000057490) never changes.

Identity and time

Publication numberOT-2026-000057490 · never reused
Internal UUID01a0ae88-2692-7bec-bbb8-35ce87f25597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057490
StatusPUBLIC

Content hashes

Canonical text77845e0c2276361764cf34df4fda30470ea3368370c0a0afeaf597f9b364f0c5
Markdown1504caab2e9e7a04e0a8ef1f89e4acf19800fcf28c1a28b5a3bdf8bdd25d82ee
PDF
Publication paged6b85906822625a26588ee18ff544297e052700c9d3325825a38fb3e51a8ab3f
Manifest0fd8c597b10c389be8794bf6c31448bb028768b8d93eb5b26224b4d7f503d27a

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
SignatureM24iE3Rn+K7qX3ylC9Bq84QP963Dt6xsGj7JpeDw+HFRfv8x7vKVxXXpAo7G5eJPZcQ7cyI0Ni/CBxZCpisdDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:00.838366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057490
observed d6b85906822625a26588ee18ff544297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.820019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057490/manifest.json
observed 0fd8c597b10c389be8794bf6c31448bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.800781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057490/publication.md
observed 1504caab2e9e7a04e0a8ef1f89e4acf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.783138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057490/publication.txt
observed 77845e0c2276361764cf34df4fda3047...
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.