OpenTechnical

OT-2026-000102210

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102210) never changes.

Identity and time

Publication numberOT-2026-000102210 · never reused
Internal UUID01a0aea4-50f3-7e3d-9d50-493f7c130c8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102210
StatusPUBLIC

Content hashes

Canonical textfd143ad3b080e7a9b713b2f151e97035b267cc2d4cb02a39f2eb3de7c4fc8d34
Markdown9b2a855880e1285299d5ac32259eb719be624ec9f7e6cd1c473d4382dc9eafef
PDF
Publication page84641677c855437e2042dc60d73303ba6425053a0a41fd6cc0c4bace1bbc889a
Manifest12d4f21eac88121df2d519936087ecbc3d9fee78c815224eaf0b55bb20388c1d

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
SignatureXg9jL4VbGdV5qkXT6M4nMP0Th0xlF1X+5265824qgoxRAnoQErcdxalPqzI4JGAj6jt+It2BhZ/LHbOAv6d1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:23.126263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102210
observed 84641677c855437e2042dc60d73303ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.108123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102210/manifest.json
observed 12d4f21eac88121df2d519936087ecbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.089778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102210/publication.md
observed 9b2a855880e1285299d5ac32259eb719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.072098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102210/publication.txt
observed fd143ad3b080e7a9b713b2f151e97035...
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.