OpenTechnical

OT-2026-000077903

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077903) never changes.

Identity and time

Publication numberOT-2026-000077903 · never reused
Internal UUID01a0ae95-2ed1-76ed-81d4-70a85a69ebd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077903
StatusPUBLIC

Content hashes

Canonical text02fc4a75e3f88a7f76c02b252f9d0c16dc399e336d328bfde60a9b754542c2cb
Markdownefd5322b286a5633b020ca8263e851a531a23dc68a1958e315fc1e8a5c8f5cd5
PDF
Publication pagec621adc7fb51dca11ed7f5f8b9a9d344b8e63edfc508edf770c6563482c0ae22
Manifest948227e178aa24d5418d32c30b2366aacd504a511ac2ce9a9d54314a59841a05

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
SignatureWYgPI55GhRkfoHhTJSmrsD1Tu7kgkaYYhJwJyho0mBT/PVZ3vmZ2P7uCOb30ebCZRGk4Ycpc5QCKx5QWuCfUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:39.065169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077903
observed c621adc7fb51dca11ed7f5f8b9a9d344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.045511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077903/manifest.json
observed 948227e178aa24d5418d32c30b2366aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.025577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077903/publication.md
observed efd5322b286a5633b020ca8263e851a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.003795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077903/publication.txt
observed 02fc4a75e3f88a7f76c02b252f9d0c16...
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.