OpenTechnical

OT-2026-000055574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000055574) never changes.

Identity and time

Publication numberOT-2026-000055574 · never reused
Internal UUID01a0ae86-a103-77ee-9ef2-1fa6fdc66667 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055574
StatusPUBLIC

Content hashes

Canonical text010716c18dc4e3b785f9233f301f8e45ca7c863385dce1e964dfe86bb79669f3
Markdown424f2c004db0a97dfa1dca75a6d912b503fe32d82fac75b3e39159666e60b832
PDF
Publication page60687a40a02f08299af18899f83e90de91f23614276e94cfddea78f5897601cb
Manifest8ef7c8ee888161a394fe5123b5f831befd126d521355912cc1d5e11ab13383f1

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
SignatureCiTAvNEJX/98SA6CL5n0BCXrmTe3w193TRmXvBmq9ZZVbnyEeZXhYyifz0zXDQeR3dyydzmForgcmLOHPMG3Ag==
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

2026-09-17T10:52:48.578365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055574
observed 60687a40a02f08299af18899f83e90de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.562003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055574/manifest.json
observed 8ef7c8ee888161a394fe5123b5f831be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.546950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055574/publication.md
observed 424f2c004db0a97dfa1dca75a6d912b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.529093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055574/publication.txt
observed 010716c18dc4e3b785f9233f301f8e45...
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.