OpenTechnical

OT-2026-000057554

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000057554) never changes.

Identity and time

Publication numberOT-2026-000057554 · never reused
Internal UUID01a0ae88-2693-7774-9efa-87ffd673bf4f · 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-2026-000057554
StatusPUBLIC

Content hashes

Canonical textec4faacc9cd511b4b725c86eb7052868992e646c6949e9fca50447f3043f978e
Markdownd4b943cd42e3da8c6484eedb1d417e21bc5314b35e146cdbcd83007e4130eac3
PDF
Publication page1a2b755efeff93c4570917fb189cffdfa466f41ba9ae32cd61e71a04c8b1beb7
Manifest41a459276cadff354d5b5622b2077a63d90439d16bc3f779e996e608dd8fe703

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
SignatureYwMPjyooLAQufJI0Wg+bsTILBtd5orQ6sd578IWKSyJkHqsxDqORI/kSmHA1qYC5R0ZAEPRnnhzGtHrZVOZpCg==
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

2026-09-17T10:48:05.781896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057554
observed 1a2b755efeff93c4570917fb189cffdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.754507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057554/manifest.json
observed 41a459276cadff354d5b5622b2077a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.735885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057554/publication.md
observed d4b943cd42e3da8c6484eedb1d417e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.718511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057554/publication.txt
observed ec4faacc9cd511b4b725c86eb7052868...
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.