OpenTechnical

OT-2026-000054757

Publication integrity record

Four cup 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-2026-000054757) never changes.

Identity and time

Publication numberOT-2026-000054757 · never reused
Internal UUID01a0ae86-1284-78b7-887e-dfe0ec6917c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054757
StatusPUBLIC

Content hashes

Canonical text4515e05d33c8dd841bd1901e3cfb2184ae3eceb49e0df27fbd8637bb62702a7f
Markdownde78795cfa657b7e9ce278dd8dfbab06d8b8b8c2c7fd684ee76afe77bf70e851
PDF
Publication pagec9ca2790baf1c399903ae933c44a093b242c19a9e869b5b8205527feb9ac91f6
Manifest0ee29089842eb0d2a788c09573345446ed1601660874b38d177c3136fa6e8ca1

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
Signature6EN3oUsCAZadujRVy50w13BqcP0FXB0B3SlwaTVi6FnI/hCRCsyCYGtY7RL+rGgXB9hU8gf1tW8PHrhgCMtaBw==
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

2026-09-17T10:53:56.806526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054757
observed c9ca2790baf1c399903ae933c44a093b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.789414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054757/manifest.json
observed 0ee29089842eb0d2a788c09573345446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.771217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054757/publication.md
observed de78795cfa657b7e9ce278dd8dfbab06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.751506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054757/publication.txt
observed 4515e05d33c8dd841bd1901e3cfb2184...
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.