OpenTechnical

OT-2026-000057511

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000057511) never changes.

Identity and time

Publication numberOT-2026-000057511 · never reused
Internal UUID01a0ae88-2692-7898-8a48-421ffa74c35a · 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-2026-000057511
StatusPUBLIC

Content hashes

Canonical text5587ee3012893e3332f4478e9d6b6f0b5910b3f5c582ad869e1c385ea95081bb
Markdown6fc61beabff3db0dd115eedbec3f9cb21fe0e6930ee08b14d1d4117ef90992a7
PDF
Publication pagef88f956f1330629897e5ceaf41b36c70c0928a4cb58d3c95bd7570d339f09961
Manifest4c118375af3eb37b2901da7eab8ef955002281926ec071457ae9b0bac7473fb9

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
SignatureGlrZ8hdcJJ00Tu3gjvZ53zCEIrZUoycPlOLB+3PCdZ7Wy3OUxDuxYsePLw15foJsQ3SQPZxn0mcOtDXKs0IZDQ==
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

2026-09-17T10:48:02.479567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057511
observed f88f956f1330629897e5ceaf41b36c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.462538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057511/manifest.json
observed 4c118375af3eb37b2901da7eab8ef955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.444728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057511/publication.md
observed 6fc61beabff3db0dd115eedbec3f9cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.425525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057511/publication.txt
observed 5587ee3012893e3332f4478e9d6b6f0b...
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.