OpenTechnical

OT-2026-000052551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000052551) never changes.

Identity and time

Publication numberOT-2026-000052551 · never reused
Internal UUID01a0ae84-573b-7471-bfa6-4f6b40c123fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052551
StatusPUBLIC

Content hashes

Canonical text01310f9b1e11d8ba36bf0f05726b38be979c6e19db7aae6d150f04922ba31799
Markdown9d67d8be83c3884fb008ad666653615f8fca9789a53bcdc7058bbd4d4445a390
PDF
Publication page25c2b12bc867445be3bfb7c167a633bb00c4f6d49b466e9299777f459efd144d
Manifest1b571fa2671ab63c1cbad52958161a670149e025f0ea0cb365f960fdf59d0e03

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
SignatureS3VrNEHb7G0CGRDQzzbV5ds1Ylp6I0LN2nh0x+cEi2MI3lejPbzrFUWl015gam8f/uBepCJGz028WJf0jRlTAw==
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

2026-09-17T10:57:12.309572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052551
observed 25c2b12bc867445be3bfb7c167a633bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.292866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052551/manifest.json
observed 1b571fa2671ab63c1cbad52958161a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.276607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052551/publication.md
observed 9d67d8be83c3884fb008ad666653615f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.260071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052551/publication.txt
observed 01310f9b1e11d8ba36bf0f05726b38be...
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.