OpenTechnical

OT-2026-000007703

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000007703) never changes.

Identity and time

Publication numberOT-2026-000007703 · never reused
Internal UUID01a0ae62-843e-756c-9855-334c7f97d322 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007703
StatusPUBLIC

Content hashes

Canonical text3e3f0c49db11a78bce17cffade14099daf7f73d8bcc7a720ee5ef3b9d5411680
Markdown2bc230b1a5a5f98b2c9df8ba5631ca58e48c07b626db8f0cc27cde914f546525
PDF
Publication paged0b53cb6ea0b7bb9239d2b09256a24ef70034dbbef06d8628efd569b982a6eb8
Manifestfe0e516e47401379f1a8207fbcea8f603d1496331987644463dc277b687a6980

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
SignatureB6PYry0IWynrEU69S6cnp5pgHGAsDisFEi5ltlpjzpKVkcqJbqEBJxgmOhp9q3WcNRSEeXRV5j4FxBXPaQC2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-10-14T16:41:58.103088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703
observed d0b53cb6ea0b7bb9239d2b09256a24ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T16:41:58.041278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703/manifest.json
observed fe0e516e47401379f1a8207fbcea8f60...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T16:41:57.970700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703/publication.md
observed 2bc230b1a5a5f98b2c9df8ba5631ca58...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T16:41:57.865756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703/publication.txt
observed 3e3f0c49db11a78bce17cffade14099d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:53.651792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703
observed d0b53cb6ea0b7bb9239d2b09256a24ef...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:53.294697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703/manifest.json
observed fe0e516e47401379f1a8207fbcea8f60...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:52.953535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703/publication.md
observed 2bc230b1a5a5f98b2c9df8ba5631ca58...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T16:41:52.553963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007703/publication.txt
observed 3e3f0c49db11a78bce17cffade14099d...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent