OpenTechnical

OT-2026-000054607

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000054607) never changes.

Identity and time

Publication numberOT-2026-000054607 · never reused
Internal UUID01a0ae86-1283-76ec-9088-31065e6c5831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054607
StatusPUBLIC

Content hashes

Canonical textbea5d799b0ae5b2464edb384e550de39c2fccf2596972489b5e72694b12b5896
Markdownc0ba53639c35eb0c2f5d5dafbfa5f70ae5227ecc31a500a2cca26310e4c66925
PDF
Publication pagee59782ec0fa5e2eeda36c26d15c5b4422d9119f08d2fe2a2ec6bbc07483855b6
Manifestd0a4a40547a2883eaf73d5b5e45582bff068e3da951f8408d4ff26450e098f71

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
SignaturezySUy1cKbmybQL18tuBdCo5IZhykZzEeA4aIFWJWKzLxSrl3HXs4krYX21JyaciSNujEcQ4LF7G8/2JMjDNeAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:39.790301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054607
observed e59782ec0fa5e2eeda36c26d15c5b442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.772085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054607/manifest.json
observed d0a4a40547a2883eaf73d5b5e45582bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.753876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054607/publication.md
observed c0ba53639c35eb0c2f5d5dafbfa5f70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.736422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054607/publication.txt
observed bea5d799b0ae5b2464edb384e550de39...
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.