OpenTechnical

OT-2026-000053827

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000053827) never changes.

Identity and time

Publication numberOT-2026-000053827 · never reused
Internal UUID01a0ae85-735d-7c3c-8ea9-5f37abd1b10a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053827
StatusPUBLIC

Content hashes

Canonical text57778033db4887cbc6810d7516c11606a42a28587672b388494be3fbeb57e357
Markdown154de860f4984bacddb5923b749337eb9ecd10bc869cbc5fc98b9ca0ae98dfb4
PDF
Publication page2dd22adcf64e3105579fda542aa031fb03192affb520da98806f9c50b4b32f4c
Manifestdaf0c11269e4cabee3bae29d6704dbab39dd6cfb52bb5d6e580f460a3f950c82

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
SignaturepbkoyAUgUae/DseGADXZ+Wlue4Bb03r0JJ3a5dSfeEQ7kthtS/eMsBh+r8WNekMB+lH6wvqqBNGI9p0p4rZcBw==
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

2026-09-17T08:40:34.339887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053827
observed 2dd22adcf64e3105579fda542aa031fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.322896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053827/manifest.json
observed daf0c11269e4cabee3bae29d6704dbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.306563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053827/publication.md
observed 154de860f4984bacddb5923b749337eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.287899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053827/publication.txt
observed 57778033db4887cbc6810d7516c11606...
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.