OpenTechnical

OT-2026-000057700

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after set-down

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-2026-000057700) never changes.

Identity and time

Publication numberOT-2026-000057700 · never reused
Internal UUID01a0ae88-2695-7046-b3da-e8d70ac77b13 · 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-2026-000057700
StatusPUBLIC

Content hashes

Canonical text8a27077b834b9f68367b0be1391fcd7794fb41677964517df7f086fa1ce72c30
Markdowndb8d62adbcbcf78e40572a1644d4d03d791871b15d90be82a5b1fe8a41d94f29
PDF
Publication pagec6a3a3875c305220c684cee639ee59c2847226796364a003763a8491a7cc1c7b
Manifestb88c3013bcc89089d7c7786ccfcb8e6b6d504de5420b7d758c68b1421d96fbb0

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
SignaturelrdiJYaq8ML/Yc95SJhZJ0xxU6cWEI/DgV7yLJzKFEyUA36QxNX+8hF1WbBqQH54cp+8NwGP1rSZ7yRBqD+tDA==
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

2026-09-17T10:48:21.906834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057700
observed c6a3a3875c305220c684cee639ee59c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.889242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057700/manifest.json
observed b88c3013bcc89089d7c7786ccfcb8e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.870963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057700/publication.md
observed db8d62adbcbcf78e40572a1644d4d03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.853522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057700/publication.txt
observed 8a27077b834b9f68367b0be1391fcd77...
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.