OpenTechnical

OT-2026-000059788

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000059788) never changes.

Identity and time

Publication numberOT-2026-000059788 · never reused
Internal UUID01a0ae89-ec25-7619-95c4-0bb54cb9c1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059788
StatusPUBLIC

Content hashes

Canonical textd9590c0df40bb8bf691a8f63034b4c07a5a91deb5cbcc749efd56bf2247e1940
Markdown2849ccad5a05cbac55b51cb6cb96f75d377879ef7b64b0ffa224cac9a51ba21c
PDF
Publication page91b8133f653215f6973a3516e0f797f9c37c2b56f10fa7e92d8f6b11c4401894
Manifestc857806e65a5e476d433281d773d1fafee6a5c0f804df3ba935ac96872895cbb

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
SignatureApIr+7sP4E6C27l8fMa3zrUGyBrKgjSbFy0EozfLka3bfsQXd2POQ9cgf1JbZPbMopNAJ2bfkmvjwmzgQwSuCA==
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

2026-09-17T10:44:31.184888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059788
observed 91b8133f653215f6973a3516e0f797f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.168646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059788/manifest.json
observed c857806e65a5e476d433281d773d1faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.149576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059788/publication.md
observed 2849ccad5a05cbac55b51cb6cb96f75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.130159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059788/publication.txt
observed d9590c0df40bb8bf691a8f63034b4c07...
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.