OpenTechnical

OT-2026-000055302

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000055302) never changes.

Identity and time

Publication numberOT-2026-000055302 · never reused
Internal UUID01a0ae86-a100-7f92-9b60-32b67b643bd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055302
StatusPUBLIC

Content hashes

Canonical textbd3ffaf2e9cfdc537b68ac77f8dfa08639b908250a81798e1ea9eb04ad7566f9
Markdownec2fdceb7741665803ba6ca6f51d85c8744c23cff455604cf44d1f29ead919c6
PDF
Publication pagebd65ac264cf660b70b707f1260c589045aa78efeccb975067e799d4a6898ac9c
Manifest1f22485ce5a589acb659a0b7d1b8086a4d5e15e983f807a93cb5ab45e0667798

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
Signature1vlVK7m9xs8mxKv6fQWCvIDm8Mv6522dJtEknym/wEf1W8UkIhhcapnUPwnJFb7R/DlXczT0yR6T91eU2KpTDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:54.392267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055302
observed bd65ac264cf660b70b707f1260c58904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.373901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055302/manifest.json
observed 1f22485ce5a589acb659a0b7d1b8086a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.354534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055302/publication.md
observed ec2fdceb7741665803ba6ca6f51d85c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.335394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055302/publication.txt
observed bd3ffaf2e9cfdc537b68ac77f8dfa086...
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.