OpenTechnical

OT-2026-000058240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000058240) never changes.

Identity and time

Publication numberOT-2026-000058240 · never reused
Internal UUID01a0ae88-6edc-741f-8736-f1c6ffb9ccca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058240
StatusPUBLIC

Content hashes

Canonical textdc9e5815a6ca9f129ba757d9b53c5d66220861338d99f945fbb96a5ac1298a61
Markdownb2a4fb40e3d703ed24fadeaa7017799d1bc7c28c7cafc1791f409e00bd6128b2
PDF
Publication page4d0bc03b7eae3c6fd942301370abfc5ac0f1dfe68d35cd03f1a076ab073611ac
Manifest5a2166452f0333ea577bbde6b963e25d5b0e2226c410124a49f620a6197e1a53

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
Signature4+f+iEHC/82ADHNFo/5TuxvrQyOy60PiT5TfFfYBZXjoRArz2eBJiEHeTg4KeyecrOc3d8g7wDXUL/gdbW5iAg==
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

2026-09-17T10:47:57.164293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058240
observed 4d0bc03b7eae3c6fd942301370abfc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.142024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058240/manifest.json
observed 5a2166452f0333ea577bbde6b963e25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.124669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058240/publication.md
observed b2a4fb40e3d703ed24fadeaa7017799d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.105851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058240/publication.txt
observed dc9e5815a6ca9f129ba757d9b53c5d66...
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.